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Finding the Fourth Proportional to 242,729.33, 364,035.65 and 124,339.73

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Solution

The fourth proportional to 242,729.33, 364,035.65 and 124,339.73 is: 186,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,729.33 : 364,035.65 = 124,339.73 : x
  2. Step 2: Convert to fraction form
    242,729.33/364,035.65 = 124,339.73/x
  3. Step 3: Cross multiply
    242,729.33x = 364,035.65 × 124,339.73
  4. Step 4: Simplify right side
    242,729.33x = 45,264,091,989.50
  5. Step 5: Solve for x
    x = 45,264,091,989.50/242,729.33
  6. Step 6: Final answer
    x = 186,479.70

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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.