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Finding the Fourth Proportional to 191,230.43, 286,863.66 and 56,294.60

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Solution

The fourth proportional to 191,230.43, 286,863.66 and 56,294.60 is: 84,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,230.43 : 286,863.66 = 56,294.60 : x
  2. Step 2: Convert to fraction form
    191,230.43/286,863.66 = 56,294.60/x
  3. Step 3: Cross multiply
    191,230.43x = 286,863.66 × 56,294.60
  4. Step 4: Simplify right side
    191,230.43x = 16,148,873,559.92
  5. Step 5: Solve for x
    x = 16,148,873,559.92/191,230.43
  6. Step 6: Final answer
    x = 84,447.20

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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.