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Finding the Fourth Proportional to 169,873.61, 254,854.15 and 64,635.17

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Solution

The fourth proportional to 169,873.61, 254,854.15 and 64,635.17 is: 96,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,873.61 : 254,854.15 = 64,635.17 : x
  2. Step 2: Convert to fraction form
    169,873.61/254,854.15 = 64,635.17/x
  3. Step 3: Cross multiply
    169,873.61x = 254,854.15 × 64,635.17
  4. Step 4: Simplify right side
    169,873.61x = 16,472,539,874.60
  5. Step 5: Solve for x
    x = 16,472,539,874.60/169,873.61
  6. Step 6: Final answer
    x = 96,969.39

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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.