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Finding the Fourth Proportional to 119,144.40, 164,423.10 and 68,843.40

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Solution

The fourth proportional to 119,144.40, 164,423.10 and 68,843.40 is: 95,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,144.40 : 164,423.10 = 68,843.40 : x
  2. Step 2: Convert to fraction form
    119,144.40/164,423.10 = 68,843.40/x
  3. Step 3: Cross multiply
    119,144.40x = 164,423.10 × 68,843.40
  4. Step 4: Simplify right side
    119,144.40x = 11,319,445,242.54
  5. Step 5: Solve for x
    x = 11,319,445,242.54/119,144.40
  6. Step 6: Final answer
    x = 95,006.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.