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Finding the Fourth Proportional to 158,499.60, 237,852.48 and 68,630.10

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Solution

The fourth proportional to 158,499.60, 237,852.48 and 68,630.10 is: 102,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,499.60 : 237,852.48 = 68,630.10 : x
  2. Step 2: Convert to fraction form
    158,499.60/237,852.48 = 68,630.10/x
  3. Step 3: Cross multiply
    158,499.60x = 237,852.48 × 68,630.10
  4. Step 4: Simplify right side
    158,499.60x = 16,323,839,487.65
  5. Step 5: Solve for x
    x = 16,323,839,487.65/158,499.60
  6. Step 6: Final answer
    x = 102,989.78

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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.