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Finding the Fourth Proportional to 161,473.61, 242,182.47 and 49,126.61

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Solution

The fourth proportional to 161,473.61, 242,182.47 and 49,126.61 is: 73,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,473.61 : 242,182.47 = 49,126.61 : x
  2. Step 2: Convert to fraction form
    161,473.61/242,182.47 = 49,126.61/x
  3. Step 3: Cross multiply
    161,473.61x = 242,182.47 × 49,126.61
  4. Step 4: Simplify right side
    161,473.61x = 11,897,604,542.21
  5. Step 5: Solve for x
    x = 11,897,604,542.21/161,473.61
  6. Step 6: Final answer
    x = 73,681.42

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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.