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Finding the Fourth Proportional to 96,370.76, 132,989.57 and 53,347.76

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Solution

The fourth proportional to 96,370.76, 132,989.57 and 53,347.76 is: 73,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,370.76 : 132,989.57 = 53,347.76 : x
  2. Step 2: Convert to fraction form
    96,370.76/132,989.57 = 53,347.76/x
  3. Step 3: Cross multiply
    96,370.76x = 132,989.57 × 53,347.76
  4. Step 4: Simplify right side
    96,370.76x = 7,094,694,731.18
  5. Step 5: Solve for x
    x = 7,094,694,731.18/96,370.76
  6. Step 6: Final answer
    x = 73,618.75

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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.