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Finding the Fourth Proportional to 191,162.16, 286,724.68 and 58,043.55

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Solution

The fourth proportional to 191,162.16, 286,724.68 and 58,043.55 is: 87,059.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,162.16 : 286,724.68 = 58,043.55 : x
  2. Step 2: Convert to fraction form
    191,162.16/286,724.68 = 58,043.55/x
  3. Step 3: Cross multiply
    191,162.16x = 286,724.68 × 58,043.55
  4. Step 4: Simplify right side
    191,162.16x = 16,642,519,229.92
  5. Step 5: Solve for x
    x = 16,642,519,229.92/191,162.16
  6. Step 6: Final answer
    x = 87,059.69

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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.