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Finding the Fourth Proportional to 95,389,812.80, 143,092,495.20 and 40,802,811.20

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Solution

The fourth proportional to 95,389,812.80, 143,092,495.20 and 40,802,811.20 is: 61,207,542.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,389,812.80 : 143,092,495.20 = 40,802,811.20 : x
  2. Step 2: Convert to fraction form
    95,389,812.80/143,092,495.20 = 40,802,811.20/x
  3. Step 3: Cross multiply
    95,389,812.80x = 143,092,495.20 × 40,802,811.20
  4. Step 4: Simplify right side
    95,389,812.80x = 5,838,576,065,782,506
  5. Step 5: Solve for x
    x = 5,838,576,065,782,506/95,389,812.80
  6. Step 6: Final answer
    x = 61,207,542.97

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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.