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Finding the Fourth Proportional to 59,144.40, 81,708.30 and 38,774.86

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Solution

The fourth proportional to 59,144.40, 81,708.30 and 38,774.86 is: 53,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,144.40 : 81,708.30 = 38,774.86 : x
  2. Step 2: Convert to fraction form
    59,144.40/81,708.30 = 38,774.86/x
  3. Step 3: Cross multiply
    59,144.40x = 81,708.30 × 38,774.86
  4. Step 4: Simplify right side
    59,144.40x = 3,168,227,484.80
  5. Step 5: Solve for x
    x = 3,168,227,484.80/59,144.40
  6. Step 6: Final answer
    x = 53,567.67

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