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Finding the Fourth Proportional to 127,459.72, 191,188.86 and 44,353

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Solution

The fourth proportional to 127,459.72, 191,188.86 and 44,353 is: 66,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,459.72 : 191,188.86 = 44,353 : x
  2. Step 2: Convert to fraction form
    127,459.72/191,188.86 = 44,353/x
  3. Step 3: Cross multiply
    127,459.72x = 191,188.86 × 44,353
  4. Step 4: Simplify right side
    127,459.72x = 8,479,799,507.58
  5. Step 5: Solve for x
    x = 8,479,799,507.58/127,459.72
  6. Step 6: Final answer
    x = 66,529.25

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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.