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Finding the Fourth Proportional to 239,655.60, 330,726.56 and 132,229.56

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Solution

The fourth proportional to 239,655.60, 330,726.56 and 132,229.56 is: 182,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,655.60 : 330,726.56 = 132,229.56 : x
  2. Step 2: Convert to fraction form
    239,655.60/330,726.56 = 132,229.56/x
  3. Step 3: Cross multiply
    239,655.60x = 330,726.56 × 132,229.56
  4. Step 4: Simplify right side
    239,655.60x = 43,731,827,509.11
  5. Step 5: Solve for x
    x = 43,731,827,509.11/239,655.60
  6. Step 6: Final answer
    x = 182,477.80

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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.