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Finding the Fourth Proportional to 107,687.62, 148,612.38 and 59,294.67

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Solution

The fourth proportional to 107,687.62, 148,612.38 and 59,294.67 is: 81,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,687.62 : 148,612.38 = 59,294.67 : x
  2. Step 2: Convert to fraction form
    107,687.62/148,612.38 = 59,294.67/x
  3. Step 3: Cross multiply
    107,687.62x = 148,612.38 × 59,294.67
  4. Step 4: Simplify right side
    107,687.62x = 8,811,922,030.01
  5. Step 5: Solve for x
    x = 8,811,922,030.01/107,687.62
  6. Step 6: Final answer
    x = 81,828.55

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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.