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Finding the Fourth Proportional to 225,587.32, 311,310.50 and 134,947.10

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Solution

The fourth proportional to 225,587.32, 311,310.50 and 134,947.10 is: 186,227.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,587.32 : 311,310.50 = 134,947.10 : x
  2. Step 2: Convert to fraction form
    225,587.32/311,310.50 = 134,947.10/x
  3. Step 3: Cross multiply
    225,587.32x = 311,310.50 × 134,947.10
  4. Step 4: Simplify right side
    225,587.32x = 42,010,449,174.55
  5. Step 5: Solve for x
    x = 42,010,449,174.55/225,587.32
  6. Step 6: Final answer
    x = 186,227.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.