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Finding the Fourth Proportional to 132,385.49, 182,687.49 and 75,785.93

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Solution

The fourth proportional to 132,385.49, 182,687.49 and 75,785.93 is: 104,582.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,385.49 : 182,687.49 = 75,785.93 : x
  2. Step 2: Convert to fraction form
    132,385.49/182,687.49 = 75,785.93/x
  3. Step 3: Cross multiply
    132,385.49x = 182,687.49 × 75,785.93
  4. Step 4: Simplify right side
    132,385.49x = 13,845,141,329.02
  5. Step 5: Solve for x
    x = 13,845,141,329.02/132,385.49
  6. Step 6: Final answer
    x = 104,582.02

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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.