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Finding the Fourth Proportional to 132,575.54, 182,952.34 and 72,959.54

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Solution

The fourth proportional to 132,575.54, 182,952.34 and 72,959.54 is: 100,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,575.54 : 182,952.34 = 72,959.54 : x
  2. Step 2: Convert to fraction form
    132,575.54/182,952.34 = 72,959.54/x
  3. Step 3: Cross multiply
    132,575.54x = 182,952.34 × 72,959.54
  4. Step 4: Simplify right side
    132,575.54x = 13,348,117,471.16
  5. Step 5: Solve for x
    x = 13,348,117,471.16/132,575.54
  6. Step 6: Final answer
    x = 100,683.11

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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.