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Finding the Fourth Proportional to 96,455.60, 133,103.88 and 53,432.72

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Solution

The fourth proportional to 96,455.60, 133,103.88 and 53,432.72 is: 73,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,455.60 : 133,103.88 = 53,432.72 : x
  2. Step 2: Convert to fraction form
    96,455.60/133,103.88 = 53,432.72/x
  3. Step 3: Cross multiply
    96,455.60x = 133,103.88 × 53,432.72
  4. Step 4: Simplify right side
    96,455.60x = 7,112,102,350.95
  5. Step 5: Solve for x
    x = 7,112,102,350.95/96,455.60
  6. Step 6: Final answer
    x = 73,734.47

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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.