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Finding the Fourth Proportional to 153,473.94, 211,793.67 and 107,600.94

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Solution

The fourth proportional to 153,473.94, 211,793.67 and 107,600.94 is: 148,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,473.94 : 211,793.67 = 107,600.94 : x
  2. Step 2: Convert to fraction form
    153,473.94/211,793.67 = 107,600.94/x
  3. Step 3: Cross multiply
    153,473.94x = 211,793.67 × 107,600.94
  4. Step 4: Simplify right side
    153,473.94x = 22,789,197,978.05
  5. Step 5: Solve for x
    x = 22,789,197,978.05/153,473.94
  6. Step 6: Final answer
    x = 148,489.04

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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.