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Finding the Fourth Proportional to 235,521.39, 353,398.94 and 93,363.66

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Solution

The fourth proportional to 235,521.39, 353,398.94 and 93,363.66 is: 140,091.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,521.39 : 353,398.94 = 93,363.66 : x
  2. Step 2: Convert to fraction form
    235,521.39/353,398.94 = 93,363.66/x
  3. Step 3: Cross multiply
    235,521.39x = 353,398.94 × 93,363.66
  4. Step 4: Simplify right side
    235,521.39x = 32,994,618,011.70
  5. Step 5: Solve for x
    x = 32,994,618,011.70/235,521.39
  6. Step 6: Final answer
    x = 140,091.81

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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.