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Finding the Fourth Proportional to 122,604, 182,833.10 and 121,482.95

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Solution

The fourth proportional to 122,604, 182,833.10 and 121,482.95 is: 181,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,604 : 182,833.10 = 121,482.95 : x
  2. Step 2: Convert to fraction form
    122,604/182,833.10 = 121,482.95/x
  3. Step 3: Cross multiply
    122,604x = 182,833.10 × 121,482.95
  4. Step 4: Simplify right side
    122,604x = 22,211,102,824.06
  5. Step 5: Solve for x
    x = 22,211,102,824.06/122,604
  6. Step 6: Final answer
    x = 181,161.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.