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Finding the Fourth Proportional to 122,373.80, 183,560.70 and 117,708.20

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Solution

The fourth proportional to 122,373.80, 183,560.70 and 117,708.20 is: 176,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,373.80 : 183,560.70 = 117,708.20 : x
  2. Step 2: Convert to fraction form
    122,373.80/183,560.70 = 117,708.20/x
  3. Step 3: Cross multiply
    122,373.80x = 183,560.70 × 117,708.20
  4. Step 4: Simplify right side
    122,373.80x = 21,606,599,587.74
  5. Step 5: Solve for x
    x = 21,606,599,587.74/122,373.80
  6. Step 6: Final answer
    x = 176,562.30

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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.