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Finding the Fourth Proportional to 109,681.92, 151,361.01 and 59,380.92

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Solution

The fourth proportional to 109,681.92, 151,361.01 and 59,380.92 is: 81,945.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,681.92 : 151,361.01 = 59,380.92 : x
  2. Step 2: Convert to fraction form
    109,681.92/151,361.01 = 59,380.92/x
  3. Step 3: Cross multiply
    109,681.92x = 151,361.01 × 59,380.92
  4. Step 4: Simplify right side
    109,681.92x = 8,987,956,025.93
  5. Step 5: Solve for x
    x = 8,987,956,025.93/109,681.92
  6. Step 6: Final answer
    x = 81,945.65

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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.