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Finding the Fourth Proportional to 242,311.29, 363,541.32 and 124,065.65

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Solution

The fourth proportional to 242,311.29, 363,541.32 and 124,065.65 is: 186,136.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,311.29 : 363,541.32 = 124,065.65 : x
  2. Step 2: Convert to fraction form
    242,311.29/363,541.32 = 124,065.65/x
  3. Step 3: Cross multiply
    242,311.29x = 363,541.32 × 124,065.65
  4. Step 4: Simplify right side
    242,311.29x = 45,102,988,349.95
  5. Step 5: Solve for x
    x = 45,102,988,349.95/242,311.29
  6. Step 6: Final answer
    x = 186,136.55

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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.