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Finding the Fourth Proportional to 137,250.60, 205,854.98 and 37,418.91

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Solution

The fourth proportional to 137,250.60, 205,854.98 and 37,418.91 is: 56,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,250.60 : 205,854.98 = 37,418.91 : x
  2. Step 2: Convert to fraction form
    137,250.60/205,854.98 = 37,418.91/x
  3. Step 3: Cross multiply
    137,250.60x = 205,854.98 × 37,418.91
  4. Step 4: Simplify right side
    137,250.60x = 7,702,868,782.58
  5. Step 5: Solve for x
    x = 7,702,868,782.58/137,250.60
  6. Step 6: Final answer
    x = 56,122.66

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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.