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Finding the Fourth Proportional to 97,279.90, 134,244.46 and 54,838.46

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Solution

The fourth proportional to 97,279.90, 134,244.46 and 54,838.46 is: 75,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,279.90 : 134,244.46 = 54,838.46 : x
  2. Step 2: Convert to fraction form
    97,279.90/134,244.46 = 54,838.46/x
  3. Step 3: Cross multiply
    97,279.90x = 134,244.46 × 54,838.46
  4. Step 4: Simplify right side
    97,279.90x = 7,361,759,449.93
  5. Step 5: Solve for x
    x = 7,361,759,449.93/97,279.90
  6. Step 6: Final answer
    x = 75,676.06

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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.