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Finding the Fourth Proportional to 107,663.84, 148,572.24 and 59,919.20

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Solution

The fourth proportional to 107,663.84, 148,572.24 and 59,919.20 is: 82,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,663.84 : 148,572.24 = 59,919.20 : x
  2. Step 2: Convert to fraction form
    107,663.84/148,572.24 = 59,919.20/x
  3. Step 3: Cross multiply
    107,663.84x = 148,572.24 × 59,919.20
  4. Step 4: Simplify right side
    107,663.84x = 8,902,329,763.01
  5. Step 5: Solve for x
    x = 8,902,329,763.01/107,663.84
  6. Step 6: Final answer
    x = 82,686.35

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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.