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Finding the Fourth Proportional to 73,758,421.60, 110,413,683.60 and 65,696,264.80

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Solution

The fourth proportional to 73,758,421.60, 110,413,683.60 and 65,696,264.80 is: 98,344,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,758,421.60 : 110,413,683.60 = 65,696,264.80 : x
  2. Step 2: Convert to fraction form
    73,758,421.60/110,413,683.60 = 65,696,264.80/x
  3. Step 3: Cross multiply
    73,758,421.60x = 110,413,683.60 × 65,696,264.80
  4. Step 4: Simplify right side
    73,758,421.60x = 7,253,766,595,329,017
  5. Step 5: Solve for x
    x = 7,253,766,595,329,017/73,758,421.60
  6. Step 6: Final answer
    x = 98,344,927.10

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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.