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Finding the Fourth Proportional to 88,689.88, 133,056.90 and 26,358.68

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Solution

The fourth proportional to 88,689.88, 133,056.90 and 26,358.68 is: 39,544.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,689.88 : 133,056.90 = 26,358.68 : x
  2. Step 2: Convert to fraction form
    88,689.88/133,056.90 = 26,358.68/x
  3. Step 3: Cross multiply
    88,689.88x = 133,056.90 × 26,358.68
  4. Step 4: Simplify right side
    88,689.88x = 3,507,204,248.89
  5. Step 5: Solve for x
    x = 3,507,204,248.89/88,689.88
  6. Step 6: Final answer
    x = 39,544.58

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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.