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Finding the Fourth Proportional to 66,832.66, 100,210.10 and 25,282.90

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Solution

The fourth proportional to 66,832.66, 100,210.10 and 25,282.90 is: 37,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,832.66 : 100,210.10 = 25,282.90 : x
  2. Step 2: Convert to fraction form
    66,832.66/100,210.10 = 25,282.90/x
  3. Step 3: Cross multiply
    66,832.66x = 100,210.10 × 25,282.90
  4. Step 4: Simplify right side
    66,832.66x = 2,533,601,937.29
  5. Step 5: Solve for x
    x = 2,533,601,937.29/66,832.66
  6. Step 6: Final answer
    x = 37,909.64

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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.