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Finding the Fourth Proportional to 227,532.10, 341,298.15 and 138,958.60

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Solution

The fourth proportional to 227,532.10, 341,298.15 and 138,958.60 is: 208,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,532.10 : 341,298.15 = 138,958.60 : x
  2. Step 2: Convert to fraction form
    227,532.10/341,298.15 = 138,958.60/x
  3. Step 3: Cross multiply
    227,532.10x = 341,298.15 × 138,958.60
  4. Step 4: Simplify right side
    227,532.10x = 47,426,313,106.59
  5. Step 5: Solve for x
    x = 47,426,313,106.59/227,532.10
  6. Step 6: Final answer
    x = 208,437.90

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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.