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Finding the Fourth Proportional to 124,820.70, 187,231.05 and 124,820.70

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Solution

The fourth proportional to 124,820.70, 187,231.05 and 124,820.70 is: 187,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,820.70 : 187,231.05 = 124,820.70 : x
  2. Step 2: Convert to fraction form
    124,820.70/187,231.05 = 124,820.70/x
  3. Step 3: Cross multiply
    124,820.70x = 187,231.05 × 124,820.70
  4. Step 4: Simplify right side
    124,820.70x = 23,370,310,722.74
  5. Step 5: Solve for x
    x = 23,370,310,722.74/124,820.70
  6. Step 6: Final answer
    x = 187,231.05

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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.