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Finding the Fourth Proportional to 218,335.55, 327,752.44 and 146,341.91

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Solution

The fourth proportional to 218,335.55, 327,752.44 and 146,341.91 is: 219,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,335.55 : 327,752.44 = 146,341.91 : x
  2. Step 2: Convert to fraction form
    218,335.55/327,752.44 = 146,341.91/x
  3. Step 3: Cross multiply
    218,335.55x = 327,752.44 × 146,341.91
  4. Step 4: Simplify right side
    218,335.55x = 47,963,918,530.29
  5. Step 5: Solve for x
    x = 47,963,918,530.29/218,335.55
  6. Step 6: Final answer
    x = 219,679.84

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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.