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Finding the Fourth Proportional to 119,505.68, 178,766.04 and 98,205.92

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Solution

The fourth proportional to 119,505.68, 178,766.04 and 98,205.92 is: 146,904.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,505.68 : 178,766.04 = 98,205.92 : x
  2. Step 2: Convert to fraction form
    119,505.68/178,766.04 = 98,205.92/x
  3. Step 3: Cross multiply
    119,505.68x = 178,766.04 × 98,205.92
  4. Step 4: Simplify right side
    119,505.68x = 17,555,883,422.96
  5. Step 5: Solve for x
    x = 17,555,883,422.96/119,505.68
  6. Step 6: Final answer
    x = 146,904.18

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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.