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Finding the Fourth Proportional to 109,635.90, 151,298.01 and 59,334.90

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Solution

The fourth proportional to 109,635.90, 151,298.01 and 59,334.90 is: 81,882.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,635.90 : 151,298.01 = 59,334.90 : x
  2. Step 2: Convert to fraction form
    109,635.90/151,298.01 = 59,334.90/x
  3. Step 3: Cross multiply
    109,635.90x = 151,298.01 × 59,334.90
  4. Step 4: Simplify right side
    109,635.90x = 8,977,252,293.55
  5. Step 5: Solve for x
    x = 8,977,252,293.55/109,635.90
  6. Step 6: Final answer
    x = 81,882.42

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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.