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Finding the Fourth Proportional to 80,535.48, 111,140.48 and 44,728.86

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Solution

The fourth proportional to 80,535.48, 111,140.48 and 44,728.86 is: 61,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,535.48 : 111,140.48 = 44,728.86 : x
  2. Step 2: Convert to fraction form
    80,535.48/111,140.48 = 44,728.86/x
  3. Step 3: Cross multiply
    80,535.48x = 111,140.48 × 44,728.86
  4. Step 4: Simplify right side
    80,535.48x = 4,971,186,970.25
  5. Step 5: Solve for x
    x = 4,971,186,970.25/80,535.48
  6. Step 6: Final answer
    x = 61,726.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.