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Finding the Fourth Proportional to 75,993.91, 104,877.02 and 42,001.67

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Solution

The fourth proportional to 75,993.91, 104,877.02 and 42,001.67 is: 57,965.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,993.91 : 104,877.02 = 42,001.67 : x
  2. Step 2: Convert to fraction form
    75,993.91/104,877.02 = 42,001.67/x
  3. Step 3: Cross multiply
    75,993.91x = 104,877.02 × 42,001.67
  4. Step 4: Simplify right side
    75,993.91x = 4,405,009,460.24
  5. Step 5: Solve for x
    x = 4,405,009,460.24/75,993.91
  6. Step 6: Final answer
    x = 57,965.30

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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.