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Finding the Fourth Proportional to 132,530.66, 182,892.74 and 72,101.29

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Solution

The fourth proportional to 132,530.66, 182,892.74 and 72,101.29 is: 99,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,530.66 : 182,892.74 = 72,101.29 : x
  2. Step 2: Convert to fraction form
    132,530.66/182,892.74 = 72,101.29/x
  3. Step 3: Cross multiply
    132,530.66x = 182,892.74 × 72,101.29
  4. Step 4: Simplify right side
    132,530.66x = 13,186,802,695.22
  5. Step 5: Solve for x
    x = 13,186,802,695.22/132,530.66
  6. Step 6: Final answer
    x = 99,500.01

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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.