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Finding the Fourth Proportional to 342,677.01, 514,070.60 and 117,982.20

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Solution

The fourth proportional to 342,677.01, 514,070.60 and 117,982.20 is: 176,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,677.01 : 514,070.60 = 117,982.20 : x
  2. Step 2: Convert to fraction form
    342,677.01/514,070.60 = 117,982.20/x
  3. Step 3: Cross multiply
    342,677.01x = 514,070.60 × 117,982.20
  4. Step 4: Simplify right side
    342,677.01x = 60,651,179,753.41
  5. Step 5: Solve for x
    x = 60,651,179,753.41/342,677.01
  6. Step 6: Final answer
    x = 176,992.26

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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.