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Finding the Fourth Proportional to 109,998.77, 151,798.38 and 59,697.77

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Solution

The fourth proportional to 109,998.77, 151,798.38 and 59,697.77 is: 82,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,998.77 : 151,798.38 = 59,697.77 : x
  2. Step 2: Convert to fraction form
    109,998.77/151,798.38 = 59,697.77/x
  3. Step 3: Cross multiply
    109,998.77x = 151,798.38 × 59,697.77
  4. Step 4: Simplify right side
    109,998.77x = 9,062,024,775.61
  5. Step 5: Solve for x
    x = 9,062,024,775.61/109,998.77
  6. Step 6: Final answer
    x = 82,382.96

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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.