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Finding the Fourth Proportional to 79,348.25, 109,500.59 and 45,814.25

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Solution

The fourth proportional to 79,348.25, 109,500.59 and 45,814.25 is: 63,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,348.25 : 109,500.59 = 45,814.25 : x
  2. Step 2: Convert to fraction form
    79,348.25/109,500.59 = 45,814.25/x
  3. Step 3: Cross multiply
    79,348.25x = 109,500.59 × 45,814.25
  4. Step 4: Simplify right side
    79,348.25x = 5,016,687,405.41
  5. Step 5: Solve for x
    x = 5,016,687,405.41/79,348.25
  6. Step 6: Final answer
    x = 63,223.67

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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.