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Finding the Fourth Proportional to 89,894,552.80, 134,841,829.20 and 38,876,216.80

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Solution

The fourth proportional to 89,894,552.80, 134,841,829.20 and 38,876,216.80 is: 58,314,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,894,552.80 : 134,841,829.20 = 38,876,216.80 : x
  2. Step 2: Convert to fraction form
    89,894,552.80/134,841,829.20 = 38,876,216.80/x
  3. Step 3: Cross multiply
    89,894,552.80x = 134,841,829.20 × 38,876,216.80
  4. Step 4: Simplify right side
    89,894,552.80x = 5,242,140,185,687,770
  5. Step 5: Solve for x
    x = 5,242,140,185,687,770/89,894,552.80
  6. Step 6: Final answer
    x = 58,314,325.20

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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.