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Finding the Fourth Proportional to 492,691.04, 739,037.19 and 118,714.04

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Solution

The fourth proportional to 492,691.04, 739,037.19 and 118,714.04 is: 178,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,691.04 : 739,037.19 = 118,714.04 : x
  2. Step 2: Convert to fraction form
    492,691.04/739,037.19 = 118,714.04/x
  3. Step 3: Cross multiply
    492,691.04x = 739,037.19 × 118,714.04
  4. Step 4: Simplify right side
    492,691.04x = 87,734,090,535.15
  5. Step 5: Solve for x
    x = 87,734,090,535.15/492,691.04
  6. Step 6: Final answer
    x = 178,071.21

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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.