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Finding the Fourth Proportional to 125,526.86, 188,291.86 and 36,782.18

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Solution

The fourth proportional to 125,526.86, 188,291.86 and 36,782.18 is: 55,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,526.86 : 188,291.86 = 36,782.18 : x
  2. Step 2: Convert to fraction form
    125,526.86/188,291.86 = 36,782.18/x
  3. Step 3: Cross multiply
    125,526.86x = 188,291.86 × 36,782.18
  4. Step 4: Simplify right side
    125,526.86x = 6,925,784,759.73
  5. Step 5: Solve for x
    x = 6,925,784,759.73/125,526.86
  6. Step 6: Final answer
    x = 55,173.73

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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.