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Finding the Fourth Proportional to 83,042.06, 124,661.74 and 65,524.46

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Solution

The fourth proportional to 83,042.06, 124,661.74 and 65,524.46 is: 98,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,042.06 : 124,661.74 = 65,524.46 : x
  2. Step 2: Convert to fraction form
    83,042.06/124,661.74 = 65,524.46/x
  3. Step 3: Cross multiply
    83,042.06x = 124,661.74 × 65,524.46
  4. Step 4: Simplify right side
    83,042.06x = 8,168,393,196.16
  5. Step 5: Solve for x
    x = 8,168,393,196.16/83,042.06
  6. Step 6: Final answer
    x = 98,364.53

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1.5x scale

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.