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Finding the Fourth Proportional to 234,842.52, 324,079.76 and 127,411.76

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Solution

The fourth proportional to 234,842.52, 324,079.76 and 127,411.76 is: 175,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,842.52 : 324,079.76 = 127,411.76 : x
  2. Step 2: Convert to fraction form
    234,842.52/324,079.76 = 127,411.76/x
  3. Step 3: Cross multiply
    234,842.52x = 324,079.76 × 127,411.76
  4. Step 4: Simplify right side
    234,842.52x = 41,291,572,601.98
  5. Step 5: Solve for x
    x = 41,291,572,601.98/234,842.52
  6. Step 6: Final answer
    x = 175,826.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.