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Finding the Fourth Proportional to 119,752.85, 179,425.93 and 72,268.16

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Solution

The fourth proportional to 119,752.85, 179,425.93 and 72,268.16 is: 108,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,752.85 : 179,425.93 = 72,268.16 : x
  2. Step 2: Convert to fraction form
    119,752.85/179,425.93 = 72,268.16/x
  3. Step 3: Cross multiply
    119,752.85x = 179,425.93 × 72,268.16
  4. Step 4: Simplify right side
    119,752.85x = 12,966,781,549.49
  5. Step 5: Solve for x
    x = 12,966,781,549.49/119,752.85
  6. Step 6: Final answer
    x = 108,279.52

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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.