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Finding the Fourth Proportional to 124,094.76, 171,250.92 and 67,506

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Solution

The fourth proportional to 124,094.76, 171,250.92 and 67,506 is: 93,158.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,094.76 : 171,250.92 = 67,506 : x
  2. Step 2: Convert to fraction form
    124,094.76/171,250.92 = 67,506/x
  3. Step 3: Cross multiply
    124,094.76x = 171,250.92 × 67,506
  4. Step 4: Simplify right side
    124,094.76x = 11,560,464,605.52
  5. Step 5: Solve for x
    x = 11,560,464,605.52/124,094.76
  6. Step 6: Final answer
    x = 93,158.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.