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Finding the Fourth Proportional to 262,044.60, 392,726.70 and 121,504.20

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Solution

The fourth proportional to 262,044.60, 392,726.70 and 121,504.20 is: 182,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,044.60 : 392,726.70 = 121,504.20 : x
  2. Step 2: Convert to fraction form
    262,044.60/392,726.70 = 121,504.20/x
  3. Step 3: Cross multiply
    262,044.60x = 392,726.70 × 121,504.20
  4. Step 4: Simplify right side
    262,044.60x = 47,717,943,502.14
  5. Step 5: Solve for x
    x = 47,717,943,502.14/262,044.60
  6. Step 6: Final answer
    x = 182,098.56

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1.5x scale

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.