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Finding the Fourth Proportional to 357,470.04, 536,204.67 and 91,230.55

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Solution

The fourth proportional to 357,470.04, 536,204.67 and 91,230.55 is: 136,845.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,470.04 : 536,204.67 = 91,230.55 : x
  2. Step 2: Convert to fraction form
    357,470.04/536,204.67 = 91,230.55/x
  3. Step 3: Cross multiply
    357,470.04x = 536,204.67 × 91,230.55
  4. Step 4: Simplify right side
    357,470.04x = 48,918,246,956.67
  5. Step 5: Solve for x
    x = 48,918,246,956.67/357,470.04
  6. Step 6: Final answer
    x = 136,845.73

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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.