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Finding the Fourth Proportional to 96,196.90, 143,590.90 and 84,834.31

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Solution

The fourth proportional to 96,196.90, 143,590.90 and 84,834.31 is: 126,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,196.90 : 143,590.90 = 84,834.31 : x
  2. Step 2: Convert to fraction form
    96,196.90/143,590.90 = 84,834.31/x
  3. Step 3: Cross multiply
    96,196.90x = 143,590.90 × 84,834.31
  4. Step 4: Simplify right side
    96,196.90x = 12,181,434,923.78
  5. Step 5: Solve for x
    x = 12,181,434,923.78/96,196.90
  6. Step 6: Final answer
    x = 126,630.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.