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Finding the Fourth Proportional to 160,440, 240,672.96 and 49,632

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Solution

The fourth proportional to 160,440, 240,672.96 and 49,632 is: 74,452.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,440 : 240,672.96 = 49,632 : x
  2. Step 2: Convert to fraction form
    160,440/240,672.96 = 49,632/x
  3. Step 3: Cross multiply
    160,440x = 240,672.96 × 49,632
  4. Step 4: Simplify right side
    160,440x = 11,945,080,350.72
  5. Step 5: Solve for x
    x = 11,945,080,350.72/160,440
  6. Step 6: Final answer
    x = 74,452.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.