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Finding the Fourth Proportional to 150,001.70, 225,002.55 and 124,081.70

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Solution

The fourth proportional to 150,001.70, 225,002.55 and 124,081.70 is: 186,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,001.70 : 225,002.55 = 124,081.70 : x
  2. Step 2: Convert to fraction form
    150,001.70/225,002.55 = 124,081.70/x
  3. Step 3: Cross multiply
    150,001.70x = 225,002.55 × 124,081.70
  4. Step 4: Simplify right side
    150,001.70x = 27,918,698,908.34
  5. Step 5: Solve for x
    x = 27,918,698,908.34/150,001.70
  6. Step 6: Final answer
    x = 186,122.55

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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.