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Finding the Fourth Proportional to 127,472.70, 191,208.99 and 60,710.46

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Solution

The fourth proportional to 127,472.70, 191,208.99 and 60,710.46 is: 91,065.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,472.70 : 191,208.99 = 60,710.46 : x
  2. Step 2: Convert to fraction form
    127,472.70/191,208.99 = 60,710.46/x
  3. Step 3: Cross multiply
    127,472.70x = 191,208.99 × 60,710.46
  4. Step 4: Simplify right side
    127,472.70x = 11,608,385,739.04
  5. Step 5: Solve for x
    x = 11,608,385,739.04/127,472.70
  6. Step 6: Final answer
    x = 91,065.66

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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.