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Finding the Fourth Proportional to 158,709.84, 238,064.76 and 63,983.04

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Solution

The fourth proportional to 158,709.84, 238,064.76 and 63,983.04 is: 95,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,709.84 : 238,064.76 = 63,983.04 : x
  2. Step 2: Convert to fraction form
    158,709.84/238,064.76 = 63,983.04/x
  3. Step 3: Cross multiply
    158,709.84x = 238,064.76 × 63,983.04
  4. Step 4: Simplify right side
    158,709.84x = 15,232,107,061.67
  5. Step 5: Solve for x
    x = 15,232,107,061.67/158,709.84
  6. Step 6: Final answer
    x = 95,974.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.