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Finding the Fourth Proportional to 73,811,301.60, 110,716,952.40 and 73,386,148.80

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Solution

The fourth proportional to 73,811,301.60, 110,716,952.40 and 73,386,148.80 is: 110,079,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,811,301.60 : 110,716,952.40 = 73,386,148.80 : x
  2. Step 2: Convert to fraction form
    73,811,301.60/110,716,952.40 = 73,386,148.80/x
  3. Step 3: Cross multiply
    73,811,301.60x = 110,716,952.40 × 73,386,148.80
  4. Step 4: Simplify right side
    73,811,301.60x = 8,125,090,743,508,917
  5. Step 5: Solve for x
    x = 8,125,090,743,508,917/73,811,301.60
  6. Step 6: Final answer
    x = 110,079,223.20

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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.