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Finding the Fourth Proportional to 191,281.83, 286,904.28 and 58,163.23

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Solution

The fourth proportional to 191,281.83, 286,904.28 and 58,163.23 is: 87,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,281.83 : 286,904.28 = 58,163.23 : x
  2. Step 2: Convert to fraction form
    191,281.83/286,904.28 = 58,163.23/x
  3. Step 3: Cross multiply
    191,281.83x = 286,904.28 × 58,163.23
  4. Step 4: Simplify right side
    191,281.83x = 16,687,279,625.62
  5. Step 5: Solve for x
    x = 16,687,279,625.62/191,281.83
  6. Step 6: Final answer
    x = 87,239.23

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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.