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Finding the Fourth Proportional to 69,468.77, 95,868.70 and 42,595.80

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Solution

The fourth proportional to 69,468.77, 95,868.70 and 42,595.80 is: 58,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,468.77 : 95,868.70 = 42,595.80 : x
  2. Step 2: Convert to fraction form
    69,468.77/95,868.70 = 42,595.80/x
  3. Step 3: Cross multiply
    69,468.77x = 95,868.70 × 42,595.80
  4. Step 4: Simplify right side
    69,468.77x = 4,083,603,971.46
  5. Step 5: Solve for x
    x = 4,083,603,971.46/69,468.77
  6. Step 6: Final answer
    x = 58,783.31

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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.