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Finding the Fourth Proportional to 228,549.60, 342,824.40 and 95,428.80

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Solution

The fourth proportional to 228,549.60, 342,824.40 and 95,428.80 is: 143,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,549.60 : 342,824.40 = 95,428.80 : x
  2. Step 2: Convert to fraction form
    228,549.60/342,824.40 = 95,428.80/x
  3. Step 3: Cross multiply
    228,549.60x = 342,824.40 × 95,428.80
  4. Step 4: Simplify right side
    228,549.60x = 32,715,321,102.72
  5. Step 5: Solve for x
    x = 32,715,321,102.72/228,549.60
  6. Step 6: Final answer
    x = 143,143.20

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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.