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Finding the Fourth Proportional to 293,191.20, 439,835.40 and 124,792.20

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Solution

The fourth proportional to 293,191.20, 439,835.40 and 124,792.20 is: 187,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,191.20 : 439,835.40 = 124,792.20 : x
  2. Step 2: Convert to fraction form
    293,191.20/439,835.40 = 124,792.20/x
  3. Step 3: Cross multiply
    293,191.20x = 439,835.40 × 124,792.20
  4. Step 4: Simplify right side
    293,191.20x = 54,888,027,203.88
  5. Step 5: Solve for x
    x = 54,888,027,203.88/293,191.20
  6. Step 6: Final answer
    x = 187,208.99

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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.