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Finding the Fourth Proportional to 88,716, 133,075.44 and 25,536.96

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Solution

The fourth proportional to 88,716, 133,075.44 and 25,536.96 is: 38,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,716 : 133,075.44 = 25,536.96 : x
  2. Step 2: Convert to fraction form
    88,716/133,075.44 = 25,536.96/x
  3. Step 3: Cross multiply
    88,716x = 133,075.44 × 25,536.96
  4. Step 4: Simplify right side
    88,716x = 3,398,342,188.26
  5. Step 5: Solve for x
    x = 3,398,342,188.26/88,716
  6. Step 6: Final answer
    x = 38,305.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.