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Finding the Fourth Proportional to 109,681.14, 151,360.14 and 59,380.14

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Solution

The fourth proportional to 109,681.14, 151,360.14 and 59,380.14 is: 81,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,681.14 : 151,360.14 = 59,380.14 : x
  2. Step 2: Convert to fraction form
    109,681.14/151,360.14 = 59,380.14/x
  3. Step 3: Cross multiply
    109,681.14x = 151,360.14 × 59,380.14
  4. Step 4: Simplify right side
    109,681.14x = 8,987,786,303.62
  5. Step 5: Solve for x
    x = 8,987,786,303.62/109,681.14
  6. Step 6: Final answer
    x = 81,944.68

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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.