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Finding the Fourth Proportional to 250,843.74, 346,162.58 and 136,119.47

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Solution

The fourth proportional to 250,843.74, 346,162.58 and 136,119.47 is: 187,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,843.74 : 346,162.58 = 136,119.47 : x
  2. Step 2: Convert to fraction form
    250,843.74/346,162.58 = 136,119.47/x
  3. Step 3: Cross multiply
    250,843.74x = 346,162.58 × 136,119.47
  4. Step 4: Simplify right side
    250,843.74x = 47,119,466,969.63
  5. Step 5: Solve for x
    x = 47,119,466,969.63/250,843.74
  6. Step 6: Final answer
    x = 187,843.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.