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Finding the Fourth Proportional to 73,758,429.60, 110,413,695.60 and 65,696,272.80

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Solution

The fourth proportional to 73,758,429.60, 110,413,695.60 and 65,696,272.80 is: 98,344,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,758,429.60 : 110,413,695.60 = 65,696,272.80 : x
  2. Step 2: Convert to fraction form
    73,758,429.60/110,413,695.60 = 65,696,272.80/x
  3. Step 3: Cross multiply
    73,758,429.60x = 110,413,695.60 × 65,696,272.80
  4. Step 4: Simplify right side
    73,758,429.60x = 7,253,768,266,993,759
  5. Step 5: Solve for x
    x = 7,253,768,266,993,759/73,758,429.60
  6. Step 6: Final answer
    x = 98,344,939.10

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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.