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Finding the Fourth Proportional to 125,295.67, 187,494.55 and 108,486.67

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Solution

The fourth proportional to 125,295.67, 187,494.55 and 108,486.67 is: 162,341.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,295.67 : 187,494.55 = 108,486.67 : x
  2. Step 2: Convert to fraction form
    125,295.67/187,494.55 = 108,486.67/x
  3. Step 3: Cross multiply
    125,295.67x = 187,494.55 × 108,486.67
  4. Step 4: Simplify right side
    125,295.67x = 20,340,659,816.69
  5. Step 5: Solve for x
    x = 20,340,659,816.69/125,295.67
  6. Step 6: Final answer
    x = 162,341.28

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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.