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Finding the Fourth Proportional to 242,570.61, 363,703.23 and 74,034.86

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Solution

The fourth proportional to 242,570.61, 363,703.23 and 74,034.86 is: 111,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,570.61 : 363,703.23 = 74,034.86 : x
  2. Step 2: Convert to fraction form
    242,570.61/363,703.23 = 74,034.86/x
  3. Step 3: Cross multiply
    242,570.61x = 363,703.23 × 74,034.86
  4. Step 4: Simplify right side
    242,570.61x = 26,926,715,896.08
  5. Step 5: Solve for x
    x = 26,926,715,896.08/242,570.61
  6. Step 6: Final answer
    x = 111,005.68

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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.