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Finding the Fourth Proportional to 91,863.66, 137,795.40 and 25,304.16

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Solution

The fourth proportional to 91,863.66, 137,795.40 and 25,304.16 is: 37,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,863.66 : 137,795.40 = 25,304.16 : x
  2. Step 2: Convert to fraction form
    91,863.66/137,795.40 = 25,304.16/x
  3. Step 3: Cross multiply
    91,863.66x = 137,795.40 × 25,304.16
  4. Step 4: Simplify right side
    91,863.66x = 3,486,796,848.86
  5. Step 5: Solve for x
    x = 3,486,796,848.86/91,863.66
  6. Step 6: Final answer
    x = 37,956.22

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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.