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Finding the Fourth Proportional to 160,378.43, 240,621.03 and 53,772.93

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Solution

The fourth proportional to 160,378.43, 240,621.03 and 53,772.93 is: 80,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,378.43 : 240,621.03 = 53,772.93 : x
  2. Step 2: Convert to fraction form
    160,378.43/240,621.03 = 53,772.93/x
  3. Step 3: Cross multiply
    160,378.43x = 240,621.03 × 53,772.93
  4. Step 4: Simplify right side
    160,378.43x = 12,938,897,802.72
  5. Step 5: Solve for x
    x = 12,938,897,802.72/160,378.43
  6. Step 6: Final answer
    x = 80,677.30

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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.