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Finding the Fourth Proportional to 88,687.42, 133,027.86 and 26,356.30

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Solution

The fourth proportional to 88,687.42, 133,027.86 and 26,356.30 is: 39,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,687.42 : 133,027.86 = 26,356.30 : x
  2. Step 2: Convert to fraction form
    88,687.42/133,027.86 = 26,356.30/x
  3. Step 3: Cross multiply
    88,687.42x = 133,027.86 × 26,356.30
  4. Step 4: Simplify right side
    88,687.42x = 3,506,122,186.52
  5. Step 5: Solve for x
    x = 3,506,122,186.52/88,687.42
  6. Step 6: Final answer
    x = 39,533.48

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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.