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Finding the Fourth Proportional to 155,524.20, 232,940.70 and 127,876.20

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Solution

The fourth proportional to 155,524.20, 232,940.70 and 127,876.20 is: 191,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,524.20 : 232,940.70 = 127,876.20 : x
  2. Step 2: Convert to fraction form
    155,524.20/232,940.70 = 127,876.20/x
  3. Step 3: Cross multiply
    155,524.20x = 232,940.70 × 127,876.20
  4. Step 4: Simplify right side
    155,524.20x = 29,787,571,541.34
  5. Step 5: Solve for x
    x = 29,787,571,541.34/155,524.20
  6. Step 6: Final answer
    x = 191,530.14

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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.