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Finding the Fourth Proportional to 109,594.72, 151,232.10 and 67,147.48

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Solution

The fourth proportional to 109,594.72, 151,232.10 and 67,147.48 is: 92,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,594.72 : 151,232.10 = 67,147.48 : x
  2. Step 2: Convert to fraction form
    109,594.72/151,232.10 = 67,147.48/x
  3. Step 3: Cross multiply
    109,594.72x = 151,232.10 × 67,147.48
  4. Step 4: Simplify right side
    109,594.72x = 10,154,854,410.11
  5. Step 5: Solve for x
    x = 10,154,854,410.11/109,594.72
  6. Step 6: Final answer
    x = 92,658.24

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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.