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Finding the Fourth Proportional to 96,556.40, 144,834.60 and 87,808.40

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Solution

The fourth proportional to 96,556.40, 144,834.60 and 87,808.40 is: 131,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,556.40 : 144,834.60 = 87,808.40 : x
  2. Step 2: Convert to fraction form
    96,556.40/144,834.60 = 87,808.40/x
  3. Step 3: Cross multiply
    96,556.40x = 144,834.60 × 87,808.40
  4. Step 4: Simplify right side
    96,556.40x = 12,717,694,490.64
  5. Step 5: Solve for x
    x = 12,717,694,490.64/96,556.40
  6. Step 6: Final answer
    x = 131,712.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.