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Finding the Fourth Proportional to 59,719,221.60, 89,673,310.80 and 45,358,504.80

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Solution

The fourth proportional to 59,719,221.60, 89,673,310.80 and 45,358,504.80 is: 68,109,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,719,221.60 : 89,673,310.80 = 45,358,504.80 : x
  2. Step 2: Convert to fraction form
    59,719,221.60/89,673,310.80 = 45,358,504.80/x
  3. Step 3: Cross multiply
    59,719,221.60x = 89,673,310.80 × 45,358,504.80
  4. Step 4: Simplify right side
    59,719,221.60x = 4,067,447,298,353,691.50
  5. Step 5: Solve for x
    x = 4,067,447,298,353,691.50/59,719,221.60
  6. Step 6: Final answer
    x = 68,109,516.32

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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.