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Finding the Fourth Proportional to 160,601.20, 240,901.80 and 72,027.70

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Solution

The fourth proportional to 160,601.20, 240,901.80 and 72,027.70 is: 108,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,601.20 : 240,901.80 = 72,027.70 : x
  2. Step 2: Convert to fraction form
    160,601.20/240,901.80 = 72,027.70/x
  3. Step 3: Cross multiply
    160,601.20x = 240,901.80 × 72,027.70
  4. Step 4: Simplify right side
    160,601.20x = 17,351,602,579.86
  5. Step 5: Solve for x
    x = 17,351,602,579.86/160,601.20
  6. Step 6: Final answer
    x = 108,041.55

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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.