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Finding the Fourth Proportional to 97,015.68, 133,881.12 and 54,573.48

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Solution

The fourth proportional to 97,015.68, 133,881.12 and 54,573.48 is: 75,311.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,015.68 : 133,881.12 = 54,573.48 : x
  2. Step 2: Convert to fraction form
    97,015.68/133,881.12 = 54,573.48/x
  3. Step 3: Cross multiply
    97,015.68x = 133,881.12 × 54,573.48
  4. Step 4: Simplify right side
    97,015.68x = 7,306,358,624.70
  5. Step 5: Solve for x
    x = 7,306,358,624.70/97,015.68
  6. Step 6: Final answer
    x = 75,311.11

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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.