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Finding the Fourth Proportional to 109,545.48, 151,179.84 and 61,797.84

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Solution

The fourth proportional to 109,545.48, 151,179.84 and 61,797.84 is: 85,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,545.48 : 151,179.84 = 61,797.84 : x
  2. Step 2: Convert to fraction form
    109,545.48/151,179.84 = 61,797.84/x
  3. Step 3: Cross multiply
    109,545.48x = 151,179.84 × 61,797.84
  4. Step 4: Simplify right side
    109,545.48x = 9,342,587,563.55
  5. Step 5: Solve for x
    x = 9,342,587,563.55/109,545.48
  6. Step 6: Final answer
    x = 85,285.01

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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.