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Finding the Fourth Proportional to 89,641.88, 134,463.58 and 25,599.86

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Solution

The fourth proportional to 89,641.88, 134,463.58 and 25,599.86 is: 38,400.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,641.88 : 134,463.58 = 25,599.86 : x
  2. Step 2: Convert to fraction form
    89,641.88/134,463.58 = 25,599.86/x
  3. Step 3: Cross multiply
    89,641.88x = 134,463.58 × 25,599.86
  4. Step 4: Simplify right side
    89,641.88x = 3,442,248,823.10
  5. Step 5: Solve for x
    x = 3,442,248,823.10/89,641.88
  6. Step 6: Final answer
    x = 38,400.01

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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.