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Finding the Fourth Proportional to 96,543,608.40, 144,815,412.60 and 57,744,478.80

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Solution

The fourth proportional to 96,543,608.40, 144,815,412.60 and 57,744,478.80 is: 86,616,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,543,608.40 : 144,815,412.60 = 57,744,478.80 : x
  2. Step 2: Convert to fraction form
    96,543,608.40/144,815,412.60 = 57,744,478.80/x
  3. Step 3: Cross multiply
    96,543,608.40x = 144,815,412.60 × 57,744,478.80
  4. Step 4: Simplify right side
    96,543,608.40x = 8,362,290,522,793,952
  5. Step 5: Solve for x
    x = 8,362,290,522,793,952/96,543,608.40
  6. Step 6: Final answer
    x = 86,616,718.20

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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.