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Finding the Fourth Proportional to 61,857,541.44, 85,363,404.48 and 34,358,028.48

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Solution

The fourth proportional to 61,857,541.44, 85,363,404.48 and 34,358,028.48 is: 47,414,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,857,541.44 : 85,363,404.48 = 34,358,028.48 : x
  2. Step 2: Convert to fraction form
    61,857,541.44/85,363,404.48 = 34,358,028.48/x
  3. Step 3: Cross multiply
    61,857,541.44x = 85,363,404.48 × 34,358,028.48
  4. Step 4: Simplify right side
    61,857,541.44x = 2,932,918,282,273,599.50
  5. Step 5: Solve for x
    x = 2,932,918,282,273,599.50/61,857,541.44
  6. Step 6: Final answer
    x = 47,414,077.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.