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Finding the Fourth Proportional to 96,124.48, 132,743.04 and 90,888.64

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Solution

The fourth proportional to 96,124.48, 132,743.04 and 90,888.64 is: 125,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,124.48 : 132,743.04 = 90,888.64 : x
  2. Step 2: Convert to fraction form
    96,124.48/132,743.04 = 90,888.64/x
  3. Step 3: Cross multiply
    96,124.48x = 132,743.04 × 90,888.64
  4. Step 4: Simplify right side
    96,124.48x = 12,064,834,375.07
  5. Step 5: Solve for x
    x = 12,064,834,375.07/96,124.48
  6. Step 6: Final answer
    x = 125,512.61

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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.