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Finding the Fourth Proportional to 109,700.77, 151,387.08 and 59,399.77

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Solution

The fourth proportional to 109,700.77, 151,387.08 and 59,399.77 is: 81,971.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,700.77 : 151,387.08 = 59,399.77 : x
  2. Step 2: Convert to fraction form
    109,700.77/151,387.08 = 59,399.77/x
  3. Step 3: Cross multiply
    109,700.77x = 151,387.08 × 59,399.77
  4. Step 4: Simplify right side
    109,700.77x = 8,992,357,732.97
  5. Step 5: Solve for x
    x = 8,992,357,732.97/109,700.77
  6. Step 6: Final answer
    x = 81,971.69

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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.