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Finding the Fourth Proportional to 72,094.52, 98,767.83 and 69,399.11

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Solution

The fourth proportional to 72,094.52, 98,767.83 and 69,399.11 is: 95,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,094.52 : 98,767.83 = 69,399.11 : x
  2. Step 2: Convert to fraction form
    72,094.52/98,767.83 = 69,399.11/x
  3. Step 3: Cross multiply
    72,094.52x = 98,767.83 × 69,399.11
  4. Step 4: Simplify right side
    72,094.52x = 6,854,399,251.71
  5. Step 5: Solve for x
    x = 6,854,399,251.71/72,094.52
  6. Step 6: Final answer
    x = 95,075.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.