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Finding the Fourth Proportional to 86,672,000.80, 130,027,246.80 and 29,162,648.80

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Solution

The fourth proportional to 86,672,000.80, 130,027,246.80 and 29,162,648.80 is: 43,750,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,672,000.80 : 130,027,246.80 = 29,162,648.80 : x
  2. Step 2: Convert to fraction form
    86,672,000.80/130,027,246.80 = 29,162,648.80/x
  3. Step 3: Cross multiply
    86,672,000.80x = 130,027,246.80 × 29,162,648.80
  4. Step 4: Simplify right side
    86,672,000.80x = 3,791,938,932,859,324
  5. Step 5: Solve for x
    x = 3,791,938,932,859,324/86,672,000.80
  6. Step 6: Final answer
    x = 43,750,448.79

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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.