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Finding the Fourth Proportional to 125,813.42, 188,836.77 and 63,527.66

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Solution

The fourth proportional to 125,813.42, 188,836.77 and 63,527.66 is: 95,350.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,813.42 : 188,836.77 = 63,527.66 : x
  2. Step 2: Convert to fraction form
    125,813.42/188,836.77 = 63,527.66/x
  3. Step 3: Cross multiply
    125,813.42x = 188,836.77 × 63,527.66
  4. Step 4: Simplify right side
    125,813.42x = 11,996,358,120.06
  5. Step 5: Solve for x
    x = 11,996,358,120.06/125,813.42
  6. Step 6: Final answer
    x = 95,350.39

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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.