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Finding the Fourth Proportional to 89,637.68, 134,501.88 and 37,084.88

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Solution

The fourth proportional to 89,637.68, 134,501.88 and 37,084.88 is: 55,646.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,637.68 : 134,501.88 = 37,084.88 : x
  2. Step 2: Convert to fraction form
    89,637.68/134,501.88 = 37,084.88/x
  3. Step 3: Cross multiply
    89,637.68x = 134,501.88 × 37,084.88
  4. Step 4: Simplify right side
    89,637.68x = 4,987,986,079.57
  5. Step 5: Solve for x
    x = 4,987,986,079.57/89,637.68
  6. Step 6: Final answer
    x = 55,646.09

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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.