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Finding the Fourth Proportional to 96,369.86, 132,862.99 and 79,078.90

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Solution

The fourth proportional to 96,369.86, 132,862.99 and 79,078.90 is: 109,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,369.86 : 132,862.99 = 79,078.90 : x
  2. Step 2: Convert to fraction form
    96,369.86/132,862.99 = 79,078.90/x
  3. Step 3: Cross multiply
    96,369.86x = 132,862.99 × 79,078.90
  4. Step 4: Simplify right side
    96,369.86x = 10,506,658,435.60
  5. Step 5: Solve for x
    x = 10,506,658,435.60/96,369.86
  6. Step 6: Final answer
    x = 109,024.32

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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.