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Finding the Fourth Proportional to 261,726.64, 360,819.96 and 176,709.04

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Solution

The fourth proportional to 261,726.64, 360,819.96 and 176,709.04 is: 243,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,726.64 : 360,819.96 = 176,709.04 : x
  2. Step 2: Convert to fraction form
    261,726.64/360,819.96 = 176,709.04/x
  3. Step 3: Cross multiply
    261,726.64x = 360,819.96 × 176,709.04
  4. Step 4: Simplify right side
    261,726.64x = 63,760,148,744.44
  5. Step 5: Solve for x
    x = 63,760,148,744.44/261,726.64
  6. Step 6: Final answer
    x = 243,613.52

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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.