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Finding the Fourth Proportional to 64,513,869.80, 96,770,804.70 and 59,363,047.40

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Solution

The fourth proportional to 64,513,869.80, 96,770,804.70 and 59,363,047.40 is: 89,044,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,869.80 : 96,770,804.70 = 59,363,047.40 : x
  2. Step 2: Convert to fraction form
    64,513,869.80/96,770,804.70 = 59,363,047.40/x
  3. Step 3: Cross multiply
    64,513,869.80x = 96,770,804.70 × 59,363,047.40
  4. Step 4: Simplify right side
    64,513,869.80x = 5,744,609,866,342,243
  5. Step 5: Solve for x
    x = 5,744,609,866,342,243/64,513,869.80
  6. Step 6: Final answer
    x = 89,044,571.10

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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.