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Finding the Fourth Proportional to 107,151.09, 147,872.01 and 59,408.88

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Solution

The fourth proportional to 107,151.09, 147,872.01 and 59,408.88 is: 81,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,151.09 : 147,872.01 = 59,408.88 : x
  2. Step 2: Convert to fraction form
    107,151.09/147,872.01 = 59,408.88/x
  3. Step 3: Cross multiply
    107,151.09x = 147,872.01 × 59,408.88
  4. Step 4: Simplify right side
    107,151.09x = 8,784,910,497.45
  5. Step 5: Solve for x
    x = 8,784,910,497.45/107,151.09
  6. Step 6: Final answer
    x = 81,986.20

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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.