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Finding the Fourth Proportional to 69,763.76, 94,985.96 and 69,542.32

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Solution

The fourth proportional to 69,763.76, 94,985.96 and 69,542.32 is: 94,684.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,763.76 : 94,985.96 = 69,542.32 : x
  2. Step 2: Convert to fraction form
    69,763.76/94,985.96 = 69,542.32/x
  3. Step 3: Cross multiply
    69,763.76x = 94,985.96 × 69,542.32
  4. Step 4: Simplify right side
    69,763.76x = 6,605,544,025.83
  5. Step 5: Solve for x
    x = 6,605,544,025.83/69,763.76
  6. Step 6: Final answer
    x = 94,684.46

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.