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Finding the Fourth Proportional to 122,095.40, 183,143.10 and 119,908.40

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Solution

The fourth proportional to 122,095.40, 183,143.10 and 119,908.40 is: 179,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,095.40 : 183,143.10 = 119,908.40 : x
  2. Step 2: Convert to fraction form
    122,095.40/183,143.10 = 119,908.40/x
  3. Step 3: Cross multiply
    122,095.40x = 183,143.10 × 119,908.40
  4. Step 4: Simplify right side
    122,095.40x = 21,960,396,092.04
  5. Step 5: Solve for x
    x = 21,960,396,092.04/122,095.40
  6. Step 6: Final answer
    x = 179,862.60

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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.