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Finding the Fourth Proportional to 159,307.20, 238,960.80 and 152,481.60

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Solution

The fourth proportional to 159,307.20, 238,960.80 and 152,481.60 is: 228,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,307.20 : 238,960.80 = 152,481.60 : x
  2. Step 2: Convert to fraction form
    159,307.20/238,960.80 = 152,481.60/x
  3. Step 3: Cross multiply
    159,307.20x = 238,960.80 × 152,481.60
  4. Step 4: Simplify right side
    159,307.20x = 36,437,125,121.28
  5. Step 5: Solve for x
    x = 36,437,125,121.28/159,307.20
  6. Step 6: Final answer
    x = 228,722.40

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1.5x scale

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.