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Finding the Fourth Proportional to 341,881.60, 512,822.40 and 117,211.90

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Solution

The fourth proportional to 341,881.60, 512,822.40 and 117,211.90 is: 175,817.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,881.60 : 512,822.40 = 117,211.90 : x
  2. Step 2: Convert to fraction form
    341,881.60/512,822.40 = 117,211.90/x
  3. Step 3: Cross multiply
    341,881.60x = 512,822.40 × 117,211.90
  4. Step 4: Simplify right side
    341,881.60x = 60,108,887,866.56
  5. Step 5: Solve for x
    x = 60,108,887,866.56/341,881.60
  6. Step 6: Final answer
    x = 175,817.85

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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.