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Finding the Fourth Proportional to 250,862.96, 346,167.96 and 143,429.60

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Solution

The fourth proportional to 250,862.96, 346,167.96 and 143,429.60 is: 197,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,862.96 : 346,167.96 = 143,429.60 : x
  2. Step 2: Convert to fraction form
    250,862.96/346,167.96 = 143,429.60/x
  3. Step 3: Cross multiply
    250,862.96x = 346,167.96 × 143,429.60
  4. Step 4: Simplify right side
    250,862.96x = 49,650,732,035.62
  5. Step 5: Solve for x
    x = 49,650,732,035.62/250,862.96
  6. Step 6: Final answer
    x = 197,919.74

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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.