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Finding the Fourth Proportional to 160,374.15, 240,614.66 and 53,768.66

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Solution

The fourth proportional to 160,374.15, 240,614.66 and 53,768.66 is: 80,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,374.15 : 240,614.66 = 53,768.66 : x
  2. Step 2: Convert to fraction form
    160,374.15/240,614.66 = 53,768.66/x
  3. Step 3: Cross multiply
    160,374.15x = 240,614.66 × 53,768.66
  4. Step 4: Simplify right side
    160,374.15x = 12,937,526,974.18
  5. Step 5: Solve for x
    x = 12,937,526,974.18/160,374.15
  6. Step 6: Final answer
    x = 80,670.90

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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.