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Finding the Fourth Proportional to 96,358.80, 132,971.80 and 53,340.16

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Solution

The fourth proportional to 96,358.80, 132,971.80 and 53,340.16 is: 73,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,358.80 : 132,971.80 = 53,340.16 : x
  2. Step 2: Convert to fraction form
    96,358.80/132,971.80 = 53,340.16/x
  3. Step 3: Cross multiply
    96,358.80x = 132,971.80 × 53,340.16
  4. Step 4: Simplify right side
    96,358.80x = 7,092,737,087.49
  5. Step 5: Solve for x
    x = 7,092,737,087.49/96,358.80
  6. Step 6: Final answer
    x = 73,607.57

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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.