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Finding the Fourth Proportional to 127,412.88, 191,118.24 and 32,642.88

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Solution

The fourth proportional to 127,412.88, 191,118.24 and 32,642.88 is: 48,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,412.88 : 191,118.24 = 32,642.88 : x
  2. Step 2: Convert to fraction form
    127,412.88/191,118.24 = 32,642.88/x
  3. Step 3: Cross multiply
    127,412.88x = 191,118.24 × 32,642.88
  4. Step 4: Simplify right side
    127,412.88x = 6,238,649,774.13
  5. Step 5: Solve for x
    x = 6,238,649,774.13/127,412.88
  6. Step 6: Final answer
    x = 48,964.04

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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.