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Finding the Fourth Proportional to 248,116.60, 372,167.96 and 79,635.60

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Solution

The fourth proportional to 248,116.60, 372,167.96 and 79,635.60 is: 119,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,116.60 : 372,167.96 = 79,635.60 : x
  2. Step 2: Convert to fraction form
    248,116.60/372,167.96 = 79,635.60/x
  3. Step 3: Cross multiply
    248,116.60x = 372,167.96 × 79,635.60
  4. Step 4: Simplify right side
    248,116.60x = 29,637,818,795.38
  5. Step 5: Solve for x
    x = 29,637,818,795.38/248,116.60
  6. Step 6: Final answer
    x = 119,451.17

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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.