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Finding the Fourth Proportional to 161,140.39, 241,722.90 and 48,829.91

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Solution

The fourth proportional to 161,140.39, 241,722.90 and 48,829.91 is: 73,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,140.39 : 241,722.90 = 48,829.91 : x
  2. Step 2: Convert to fraction form
    161,140.39/241,722.90 = 48,829.91/x
  3. Step 3: Cross multiply
    161,140.39x = 241,722.90 × 48,829.91
  4. Step 4: Simplify right side
    161,140.39x = 11,803,306,243.32
  5. Step 5: Solve for x
    x = 11,803,306,243.32/161,140.39
  6. Step 6: Final answer
    x = 73,248.59

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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.