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Finding the Fourth Proportional to 96,255.88, 143,678.80 and 84,893.20

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Solution

The fourth proportional to 96,255.88, 143,678.80 and 84,893.20 is: 126,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,255.88 : 143,678.80 = 84,893.20 : x
  2. Step 2: Convert to fraction form
    96,255.88/143,678.80 = 84,893.20/x
  3. Step 3: Cross multiply
    96,255.88x = 143,678.80 × 84,893.20
  4. Step 4: Simplify right side
    96,255.88x = 12,197,352,532.73
  5. Step 5: Solve for x
    x = 12,197,352,532.73/96,255.88
  6. Step 6: Final answer
    x = 126,718.00

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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.