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Finding the Fourth Proportional to 109,655.25, 151,324.25 and 59,354.25

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Solution

The fourth proportional to 109,655.25, 151,324.25 and 59,354.25 is: 81,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,655.25 : 151,324.25 = 59,354.25 : x
  2. Step 2: Convert to fraction form
    109,655.25/151,324.25 = 59,354.25/x
  3. Step 3: Cross multiply
    109,655.25x = 151,324.25 × 59,354.25
  4. Step 4: Simplify right side
    109,655.25x = 8,981,737,068.79
  5. Step 5: Solve for x
    x = 8,981,737,068.79/109,655.25
  6. Step 6: Final answer
    x = 81,908.87

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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.