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Finding the Fourth Proportional to 119,830.80, 179,746.20 and 96,502.80

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Solution

The fourth proportional to 119,830.80, 179,746.20 and 96,502.80 is: 144,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,830.80 : 179,746.20 = 96,502.80 : x
  2. Step 2: Convert to fraction form
    119,830.80/179,746.20 = 96,502.80/x
  3. Step 3: Cross multiply
    119,830.80x = 179,746.20 × 96,502.80
  4. Step 4: Simplify right side
    119,830.80x = 17,346,011,589.36
  5. Step 5: Solve for x
    x = 17,346,011,589.36/119,830.80
  6. Step 6: Final answer
    x = 144,754.20

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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.