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Finding the Fourth Proportional to 127,833.80, 191,750.70 and 122,001.80

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Solution

The fourth proportional to 127,833.80, 191,750.70 and 122,001.80 is: 183,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,833.80 : 191,750.70 = 122,001.80 : x
  2. Step 2: Convert to fraction form
    127,833.80/191,750.70 = 122,001.80/x
  3. Step 3: Cross multiply
    127,833.80x = 191,750.70 × 122,001.80
  4. Step 4: Simplify right side
    127,833.80x = 23,393,930,551.26
  5. Step 5: Solve for x
    x = 23,393,930,551.26/127,833.80
  6. Step 6: Final answer
    x = 183,002.70

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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.