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Finding the Fourth Proportional to 223,046.52, 307,793.70 and 121,069.68

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Solution

The fourth proportional to 223,046.52, 307,793.70 and 121,069.68 is: 167,070.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,046.52 : 307,793.70 = 121,069.68 : x
  2. Step 2: Convert to fraction form
    223,046.52/307,793.70 = 121,069.68/x
  3. Step 3: Cross multiply
    223,046.52x = 307,793.70 × 121,069.68
  4. Step 4: Simplify right side
    223,046.52x = 37,264,484,765.02
  5. Step 5: Solve for x
    x = 37,264,484,765.02/223,046.52
  6. Step 6: Final answer
    x = 167,070.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.