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Finding the Fourth Proportional to 160,536.32, 240,787.20 and 48,204.80

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Solution

The fourth proportional to 160,536.32, 240,787.20 and 48,204.80 is: 72,302.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,536.32 : 240,787.20 = 48,204.80 : x
  2. Step 2: Convert to fraction form
    160,536.32/240,787.20 = 48,204.80/x
  3. Step 3: Cross multiply
    160,536.32x = 240,787.20 × 48,204.80
  4. Step 4: Simplify right side
    160,536.32x = 11,607,098,818.56
  5. Step 5: Solve for x
    x = 11,607,098,818.56/160,536.32
  6. Step 6: Final answer
    x = 72,302.01

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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.