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Finding the Fourth Proportional to 104,522.60, 156,719.10 and 60,127.40

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Solution

The fourth proportional to 104,522.60, 156,719.10 and 60,127.40 is: 90,153.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,522.60 : 156,719.10 = 60,127.40 : x
  2. Step 2: Convert to fraction form
    104,522.60/156,719.10 = 60,127.40/x
  3. Step 3: Cross multiply
    104,522.60x = 156,719.10 × 60,127.40
  4. Step 4: Simplify right side
    104,522.60x = 9,423,112,013.34
  5. Step 5: Solve for x
    x = 9,423,112,013.34/104,522.60
  6. Step 6: Final answer
    x = 90,153.82

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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.