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Finding the Fourth Proportional to 122,605, 182,834.59 and 121,483.95

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Solution

The fourth proportional to 122,605, 182,834.59 and 121,483.95 is: 181,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,605 : 182,834.59 = 121,483.95 : x
  2. Step 2: Convert to fraction form
    122,605/182,834.59 = 121,483.95/x
  3. Step 3: Cross multiply
    122,605x = 182,834.59 × 121,483.95
  4. Step 4: Simplify right side
    122,605x = 22,211,468,189.83
  5. Step 5: Solve for x
    x = 22,211,468,189.83/122,605
  6. Step 6: Final answer
    x = 181,162.83

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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.