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Finding the Fourth Proportional to 73,069.95, 100,826.42 and 40,800.63

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Solution

The fourth proportional to 73,069.95, 100,826.42 and 40,800.63 is: 56,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,069.95 : 100,826.42 = 40,800.63 : x
  2. Step 2: Convert to fraction form
    73,069.95/100,826.42 = 40,800.63/x
  3. Step 3: Cross multiply
    73,069.95x = 100,826.42 × 40,800.63
  4. Step 4: Simplify right side
    73,069.95x = 4,113,781,252.64
  5. Step 5: Solve for x
    x = 4,113,781,252.64/73,069.95
  6. Step 6: Final answer
    x = 56,299.22

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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.