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Finding the Fourth Proportional to 92,577.78, 138,866.85 and 33,455.19

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Solution

The fourth proportional to 92,577.78, 138,866.85 and 33,455.19 is: 50,182.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,577.78 : 138,866.85 = 33,455.19 : x
  2. Step 2: Convert to fraction form
    92,577.78/138,866.85 = 33,455.19/x
  3. Step 3: Cross multiply
    92,577.78x = 138,866.85 × 33,455.19
  4. Step 4: Simplify right side
    92,577.78x = 4,645,816,851.45
  5. Step 5: Solve for x
    x = 4,645,816,851.45/92,577.78
  6. Step 6: Final answer
    x = 50,182.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.