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Finding the Fourth Proportional to 60,689,301.60, 91,033,952.40 and 60,264,148.80

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Solution

The fourth proportional to 60,689,301.60, 91,033,952.40 and 60,264,148.80 is: 90,396,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,689,301.60 : 91,033,952.40 = 60,264,148.80 : x
  2. Step 2: Convert to fraction form
    60,689,301.60/91,033,952.40 = 60,264,148.80/x
  3. Step 3: Cross multiply
    60,689,301.60x = 91,033,952.40 × 60,264,148.80
  4. Step 4: Simplify right side
    60,689,301.60x = 5,486,083,653,285,717
  5. Step 5: Solve for x
    x = 5,486,083,653,285,717/60,689,301.60
  6. Step 6: Final answer
    x = 90,396,223.20

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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.