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Finding the Fourth Proportional to 109,805.07, 151,531.16 and 59,504.07

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Solution

The fourth proportional to 109,805.07, 151,531.16 and 59,504.07 is: 82,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,805.07 : 151,531.16 = 59,504.07 : x
  2. Step 2: Convert to fraction form
    109,805.07/151,531.16 = 59,504.07/x
  3. Step 3: Cross multiply
    109,805.07x = 151,531.16 × 59,504.07
  4. Step 4: Simplify right side
    109,805.07x = 9,016,720,751.82
  5. Step 5: Solve for x
    x = 9,016,720,751.82/109,805.07
  6. Step 6: Final answer
    x = 82,115.71

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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.