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Finding the Fourth Proportional to 109,521.01, 151,139.22 and 59,220.01

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Solution

The fourth proportional to 109,521.01, 151,139.22 and 59,220.01 is: 81,723.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,521.01 : 151,139.22 = 59,220.01 : x
  2. Step 2: Convert to fraction form
    109,521.01/151,139.22 = 59,220.01/x
  3. Step 3: Cross multiply
    109,521.01x = 151,139.22 × 59,220.01
  4. Step 4: Simplify right side
    109,521.01x = 8,950,465,823.69
  5. Step 5: Solve for x
    x = 8,950,465,823.69/109,521.01
  6. Step 6: Final answer
    x = 81,723.73

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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.