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Finding the Fourth Proportional to 84,041.38, 115,977.13 and 45,800.94

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Solution

The fourth proportional to 84,041.38, 115,977.13 and 45,800.94 is: 63,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,041.38 : 115,977.13 = 45,800.94 : x
  2. Step 2: Convert to fraction form
    84,041.38/115,977.13 = 45,800.94/x
  3. Step 3: Cross multiply
    84,041.38x = 115,977.13 × 45,800.94
  4. Step 4: Simplify right side
    84,041.38x = 5,311,861,572.50
  5. Step 5: Solve for x
    x = 5,311,861,572.50/84,041.38
  6. Step 6: Final answer
    x = 63,205.31

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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.