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Finding the Fourth Proportional to 127,343.48, 191,038.28 and 41,958.90

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Solution

The fourth proportional to 127,343.48, 191,038.28 and 41,958.90 is: 62,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,343.48 : 191,038.28 = 41,958.90 : x
  2. Step 2: Convert to fraction form
    127,343.48/191,038.28 = 41,958.90/x
  3. Step 3: Cross multiply
    127,343.48x = 191,038.28 × 41,958.90
  4. Step 4: Simplify right side
    127,343.48x = 8,015,756,191.59
  5. Step 5: Solve for x
    x = 8,015,756,191.59/127,343.48
  6. Step 6: Final answer
    x = 62,945.95

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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.