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Finding the Fourth Proportional to 96,642.96, 133,367.76 and 54,203.76

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Solution

The fourth proportional to 96,642.96, 133,367.76 and 54,203.76 is: 74,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,642.96 : 133,367.76 = 54,203.76 : x
  2. Step 2: Convert to fraction form
    96,642.96/133,367.76 = 54,203.76/x
  3. Step 3: Cross multiply
    96,642.96x = 133,367.76 × 54,203.76
  4. Step 4: Simplify right side
    96,642.96x = 7,229,034,054.78
  5. Step 5: Solve for x
    x = 7,229,034,054.78/96,642.96
  6. Step 6: Final answer
    x = 74,801.46

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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.