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Finding the Fourth Proportional to 97,423.56, 134,447.04 and 54,982.80

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Solution

The fourth proportional to 97,423.56, 134,447.04 and 54,982.80 is: 75,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,423.56 : 134,447.04 = 54,982.80 : x
  2. Step 2: Convert to fraction form
    97,423.56/134,447.04 = 54,982.80/x
  3. Step 3: Cross multiply
    97,423.56x = 134,447.04 × 54,982.80
  4. Step 4: Simplify right side
    97,423.56x = 7,392,274,710.91
  5. Step 5: Solve for x
    x = 7,392,274,710.91/97,423.56
  6. Step 6: Final answer
    x = 75,877.69

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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.