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Finding the Fourth Proportional to 132,253.92, 182,509.77 and 71,824.08

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Solution

The fourth proportional to 132,253.92, 182,509.77 and 71,824.08 is: 99,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,253.92 : 182,509.77 = 71,824.08 : x
  2. Step 2: Convert to fraction form
    132,253.92/182,509.77 = 71,824.08/x
  3. Step 3: Cross multiply
    132,253.92x = 182,509.77 × 71,824.08
  4. Step 4: Simplify right side
    132,253.92x = 13,108,596,321.26
  5. Step 5: Solve for x
    x = 13,108,596,321.26/132,253.92
  6. Step 6: Final answer
    x = 99,116.88

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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.