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Finding the Fourth Proportional to 239,582.40, 359,200.80 and 156,523.20

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Solution

The fourth proportional to 239,582.40, 359,200.80 and 156,523.20 is: 234,671.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,582.40 : 359,200.80 = 156,523.20 : x
  2. Step 2: Convert to fraction form
    239,582.40/359,200.80 = 156,523.20/x
  3. Step 3: Cross multiply
    239,582.40x = 359,200.80 × 156,523.20
  4. Step 4: Simplify right side
    239,582.40x = 56,223,258,658.56
  5. Step 5: Solve for x
    x = 56,223,258,658.56/239,582.40
  6. Step 6: Final answer
    x = 234,671.91

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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.