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Finding the Fourth Proportional to 119,101.60, 178,670.60 and 39,113.04

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Solution

The fourth proportional to 119,101.60, 178,670.60 and 39,113.04 is: 58,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,101.60 : 178,670.60 = 39,113.04 : x
  2. Step 2: Convert to fraction form
    119,101.60/178,670.60 = 39,113.04/x
  3. Step 3: Cross multiply
    119,101.60x = 178,670.60 × 39,113.04
  4. Step 4: Simplify right side
    119,101.60x = 6,988,350,324.62
  5. Step 5: Solve for x
    x = 6,988,350,324.62/119,101.60
  6. Step 6: Final answer
    x = 58,675.54

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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.