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Finding the Fourth Proportional to 73,195.05, 101,009.96 and 42,980.73

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Solution

The fourth proportional to 73,195.05, 101,009.96 and 42,980.73 is: 59,313.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,195.05 : 101,009.96 = 42,980.73 : x
  2. Step 2: Convert to fraction form
    73,195.05/101,009.96 = 42,980.73/x
  3. Step 3: Cross multiply
    73,195.05x = 101,009.96 × 42,980.73
  4. Step 4: Simplify right side
    73,195.05x = 4,341,481,818.07
  5. Step 5: Solve for x
    x = 4,341,481,818.07/73,195.05
  6. Step 6: Final answer
    x = 59,313.87

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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.