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Finding the Fourth Proportional to 223,079.78, 334,595.18 and 65,309.78

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Solution

The fourth proportional to 223,079.78, 334,595.18 and 65,309.78 is: 97,957.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,079.78 : 334,595.18 = 65,309.78 : x
  2. Step 2: Convert to fraction form
    223,079.78/334,595.18 = 65,309.78/x
  3. Step 3: Cross multiply
    223,079.78x = 334,595.18 × 65,309.78
  4. Step 4: Simplify right side
    223,079.78x = 21,852,337,594.86
  5. Step 5: Solve for x
    x = 21,852,337,594.86/223,079.78
  6. Step 6: Final answer
    x = 97,957.50

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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.