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Finding the Fourth Proportional to 86,977,216.80, 130,465,306.80 and 22,280,896.80

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Solution

The fourth proportional to 86,977,216.80, 130,465,306.80 and 22,280,896.80 is: 33,421,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,977,216.80 : 130,465,306.80 = 22,280,896.80 : x
  2. Step 2: Convert to fraction form
    86,977,216.80/130,465,306.80 = 22,280,896.80/x
  3. Step 3: Cross multiply
    86,977,216.80x = 130,465,306.80 × 22,280,896.80
  4. Step 4: Simplify right side
    86,977,216.80x = 2,906,884,036,791,138.50
  5. Step 5: Solve for x
    x = 2,906,884,036,791,138.50/86,977,216.80
  6. Step 6: Final answer
    x = 33,421,212.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.