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Finding the Fourth Proportional to 250,922.88, 346,228.88 and 142,026.69

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Solution

The fourth proportional to 250,922.88, 346,228.88 and 142,026.69 is: 195,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,922.88 : 346,228.88 = 142,026.69 : x
  2. Step 2: Convert to fraction form
    250,922.88/346,228.88 = 142,026.69/x
  3. Step 3: Cross multiply
    250,922.88x = 346,228.88 × 142,026.69
  4. Step 4: Simplify right side
    250,922.88x = 49,173,741,098.67
  5. Step 5: Solve for x
    x = 49,173,741,098.67/250,922.88
  6. Step 6: Final answer
    x = 195,971.53

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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.