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Finding the Fourth Proportional to 98,959.07, 136,560.13 and 58,648.96

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Solution

The fourth proportional to 98,959.07, 136,560.13 and 58,648.96 is: 80,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,959.07 : 136,560.13 = 58,648.96 : x
  2. Step 2: Convert to fraction form
    98,959.07/136,560.13 = 58,648.96/x
  3. Step 3: Cross multiply
    98,959.07x = 136,560.13 × 58,648.96
  4. Step 4: Simplify right side
    98,959.07x = 8,009,109,626.04
  5. Step 5: Solve for x
    x = 8,009,109,626.04/98,959.07
  6. Step 6: Final answer
    x = 80,933.56

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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.