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Finding the Fourth Proportional to 84,041.73, 115,976.10 and 45,801.63

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Solution

The fourth proportional to 84,041.73, 115,976.10 and 45,801.63 is: 63,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,041.73 : 115,976.10 = 45,801.63 : x
  2. Step 2: Convert to fraction form
    84,041.73/115,976.10 = 45,801.63/x
  3. Step 3: Cross multiply
    84,041.73x = 115,976.10 × 45,801.63
  4. Step 4: Simplify right side
    84,041.73x = 5,311,894,421.04
  5. Step 5: Solve for x
    x = 5,311,894,421.04/84,041.73
  6. Step 6: Final answer
    x = 63,205.44

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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.