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Finding the Fourth Proportional to 136,117.80, 204,176.70 and 82,973.70

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Solution

The fourth proportional to 136,117.80, 204,176.70 and 82,973.70 is: 124,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,117.80 : 204,176.70 = 82,973.70 : x
  2. Step 2: Convert to fraction form
    136,117.80/204,176.70 = 82,973.70/x
  3. Step 3: Cross multiply
    136,117.80x = 204,176.70 × 82,973.70
  4. Step 4: Simplify right side
    136,117.80x = 16,941,296,252.79
  5. Step 5: Solve for x
    x = 16,941,296,252.79/136,117.80
  6. Step 6: Final answer
    x = 124,460.55

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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.