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Finding the Fourth Proportional to 240,898.51, 361,207.70 and 91,150.35

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Solution

The fourth proportional to 240,898.51, 361,207.70 and 91,150.35 is: 136,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,898.51 : 361,207.70 = 91,150.35 : x
  2. Step 2: Convert to fraction form
    240,898.51/361,207.70 = 91,150.35/x
  3. Step 3: Cross multiply
    240,898.51x = 361,207.70 × 91,150.35
  4. Step 4: Simplify right side
    240,898.51x = 32,924,206,471.66
  5. Step 5: Solve for x
    x = 32,924,206,471.66/240,898.51
  6. Step 6: Final answer
    x = 136,672.52

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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.