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Finding the Fourth Proportional to 107,119.87, 147,809.61 and 59,373

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Solution

The fourth proportional to 107,119.87, 147,809.61 and 59,373 is: 81,925.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,119.87 : 147,809.61 = 59,373 : x
  2. Step 2: Convert to fraction form
    107,119.87/147,809.61 = 59,373/x
  3. Step 3: Cross multiply
    107,119.87x = 147,809.61 × 59,373
  4. Step 4: Simplify right side
    107,119.87x = 8,775,899,974.53
  5. Step 5: Solve for x
    x = 8,775,899,974.53/107,119.87
  6. Step 6: Final answer
    x = 81,925.98

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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.