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Finding the Fourth Proportional to 162,829.80, 244,244.70 and 74,256.30

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Solution

The fourth proportional to 162,829.80, 244,244.70 and 74,256.30 is: 111,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,829.80 : 244,244.70 = 74,256.30 : x
  2. Step 2: Convert to fraction form
    162,829.80/244,244.70 = 74,256.30/x
  3. Step 3: Cross multiply
    162,829.80x = 244,244.70 × 74,256.30
  4. Step 4: Simplify right side
    162,829.80x = 18,136,707,716.61
  5. Step 5: Solve for x
    x = 18,136,707,716.61/162,829.80
  6. Step 6: Final answer
    x = 111,384.45

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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.