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Finding the Fourth Proportional to 69,471.16, 95,892 and 44,320.64

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Solution

The fourth proportional to 69,471.16, 95,892 and 44,320.64 is: 61,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,471.16 : 95,892 = 44,320.64 : x
  2. Step 2: Convert to fraction form
    69,471.16/95,892 = 44,320.64/x
  3. Step 3: Cross multiply
    69,471.16x = 95,892 × 44,320.64
  4. Step 4: Simplify right side
    69,471.16x = 4,249,994,810.88
  5. Step 5: Solve for x
    x = 4,249,994,810.88/69,471.16
  6. Step 6: Final answer
    x = 61,176.39

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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.