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Finding the Fourth Proportional to 148,995.92, 205,584.92 and 83,586.96

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Solution

The fourth proportional to 148,995.92, 205,584.92 and 83,586.96 is: 115,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,995.92 : 205,584.92 = 83,586.96 : x
  2. Step 2: Convert to fraction form
    148,995.92/205,584.92 = 83,586.96/x
  3. Step 3: Cross multiply
    148,995.92x = 205,584.92 × 83,586.96
  4. Step 4: Simplify right side
    148,995.92x = 17,184,218,484.64
  5. Step 5: Solve for x
    x = 17,184,218,484.64/148,995.92
  6. Step 6: Final answer
    x = 115,333.48

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1.5x scale

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.