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Finding the Fourth Proportional to 127,535.76, 191,210.76 and 60,044.40

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Solution

The fourth proportional to 127,535.76, 191,210.76 and 60,044.40 is: 90,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,535.76 : 191,210.76 = 60,044.40 : x
  2. Step 2: Convert to fraction form
    127,535.76/191,210.76 = 60,044.40/x
  3. Step 3: Cross multiply
    127,535.76x = 191,210.76 × 60,044.40
  4. Step 4: Simplify right side
    127,535.76x = 11,481,135,357.74
  5. Step 5: Solve for x
    x = 11,481,135,357.74/127,535.76
  6. Step 6: Final answer
    x = 90,022.87

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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.