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Finding the Fourth Proportional to 92,799.97, 128,118.96 and 61,023.67

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Solution

The fourth proportional to 92,799.97, 128,118.96 and 61,023.67 is: 84,248.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,799.97 : 128,118.96 = 61,023.67 : x
  2. Step 2: Convert to fraction form
    92,799.97/128,118.96 = 61,023.67/x
  3. Step 3: Cross multiply
    92,799.97x = 128,118.96 × 61,023.67
  4. Step 4: Simplify right side
    92,799.97x = 7,818,289,135.78
  5. Step 5: Solve for x
    x = 7,818,289,135.78/92,799.97
  6. Step 6: Final answer
    x = 84,248.83

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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.