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Finding the Fourth Proportional to 96,280.80, 132,890.67 and 56,023.80

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Solution

The fourth proportional to 96,280.80, 132,890.67 and 56,023.80 is: 77,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,280.80 : 132,890.67 = 56,023.80 : x
  2. Step 2: Convert to fraction form
    96,280.80/132,890.67 = 56,023.80/x
  3. Step 3: Cross multiply
    96,280.80x = 132,890.67 × 56,023.80
  4. Step 4: Simplify right side
    96,280.80x = 7,445,040,317.95
  5. Step 5: Solve for x
    x = 7,445,040,317.95/96,280.80
  6. Step 6: Final answer
    x = 77,326.32

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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.