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Finding the Fourth Proportional to 132,317.34, 182,598.80 and 71,887.97

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Solution

The fourth proportional to 132,317.34, 182,598.80 and 71,887.97 is: 99,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,317.34 : 182,598.80 = 71,887.97 : x
  2. Step 2: Convert to fraction form
    132,317.34/182,598.80 = 71,887.97/x
  3. Step 3: Cross multiply
    132,317.34x = 182,598.80 × 71,887.97
  4. Step 4: Simplify right side
    132,317.34x = 13,126,655,784.00
  5. Step 5: Solve for x
    x = 13,126,655,784.00/132,317.34
  6. Step 6: Final answer
    x = 99,205.86

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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.