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Finding the Fourth Proportional to 168,606.77, 252,904.19 and 42,248.07

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Solution

The fourth proportional to 168,606.77, 252,904.19 and 42,248.07 is: 63,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,606.77 : 252,904.19 = 42,248.07 : x
  2. Step 2: Convert to fraction form
    168,606.77/252,904.19 = 42,248.07/x
  3. Step 3: Cross multiply
    168,606.77x = 252,904.19 × 42,248.07
  4. Step 4: Simplify right side
    168,606.77x = 10,684,713,711.17
  5. Step 5: Solve for x
    x = 10,684,713,711.17/168,606.77
  6. Step 6: Final answer
    x = 63,370.61

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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.