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Finding the Fourth Proportional to 127,973.70, 191,960.55 and 124,517.70

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Solution

The fourth proportional to 127,973.70, 191,960.55 and 124,517.70 is: 186,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,973.70 : 191,960.55 = 124,517.70 : x
  2. Step 2: Convert to fraction form
    127,973.70/191,960.55 = 124,517.70/x
  3. Step 3: Cross multiply
    127,973.70x = 191,960.55 × 124,517.70
  4. Step 4: Simplify right side
    127,973.70x = 23,902,486,176.74
  5. Step 5: Solve for x
    x = 23,902,486,176.74/127,973.70
  6. Step 6: Final answer
    x = 186,776.55

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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.