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Finding the Fourth Proportional to 96,746.60, 144,744.40 and 84,810.60

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Solution

The fourth proportional to 96,746.60, 144,744.40 and 84,810.60 is: 126,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,746.60 : 144,744.40 = 84,810.60 : x
  2. Step 2: Convert to fraction form
    96,746.60/144,744.40 = 84,810.60/x
  3. Step 3: Cross multiply
    96,746.60x = 144,744.40 × 84,810.60
  4. Step 4: Simplify right side
    96,746.60x = 12,275,859,410.64
  5. Step 5: Solve for x
    x = 12,275,859,410.64/96,746.60
  6. Step 6: Final answer
    x = 126,886.73

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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.