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Finding the Fourth Proportional to 122,604.67, 183,809.25 and 112,763.71

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Solution

The fourth proportional to 122,604.67, 183,809.25 and 112,763.71 is: 169,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,604.67 : 183,809.25 = 112,763.71 : x
  2. Step 2: Convert to fraction form
    122,604.67/183,809.25 = 112,763.71/x
  3. Step 3: Cross multiply
    122,604.67x = 183,809.25 × 112,763.71
  4. Step 4: Simplify right side
    122,604.67x = 20,727,012,962.32
  5. Step 5: Solve for x
    x = 20,727,012,962.32/122,604.67
  6. Step 6: Final answer
    x = 169,055.66

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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.