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Finding the Fourth Proportional to 235,401.60, 353,102.40 and 205,877.10

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Solution

The fourth proportional to 235,401.60, 353,102.40 and 205,877.10 is: 308,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,401.60 : 353,102.40 = 205,877.10 : x
  2. Step 2: Convert to fraction form
    235,401.60/353,102.40 = 205,877.10/x
  3. Step 3: Cross multiply
    235,401.60x = 353,102.40 × 205,877.10
  4. Step 4: Simplify right side
    235,401.60x = 72,695,698,115.04
  5. Step 5: Solve for x
    x = 72,695,698,115.04/235,401.60
  6. Step 6: Final answer
    x = 308,815.65

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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.