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Finding the Fourth Proportional to 191,298.60, 286,947.90 and 182,113.20

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Solution

The fourth proportional to 191,298.60, 286,947.90 and 182,113.20 is: 273,169.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,298.60 : 286,947.90 = 182,113.20 : x
  2. Step 2: Convert to fraction form
    191,298.60/286,947.90 = 182,113.20/x
  3. Step 3: Cross multiply
    191,298.60x = 286,947.90 × 182,113.20
  4. Step 4: Simplify right side
    191,298.60x = 52,257,000,302.28
  5. Step 5: Solve for x
    x = 52,257,000,302.28/191,298.60
  6. Step 6: Final answer
    x = 273,169.80

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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.