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Finding the Fourth Proportional to 250,615.32, 375,935.70 and 73,135.80

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Solution

The fourth proportional to 250,615.32, 375,935.70 and 73,135.80 is: 109,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,615.32 : 375,935.70 = 73,135.80 : x
  2. Step 2: Convert to fraction form
    250,615.32/375,935.70 = 73,135.80/x
  3. Step 3: Cross multiply
    250,615.32x = 375,935.70 × 73,135.80
  4. Step 4: Simplify right side
    250,615.32x = 27,494,358,168.06
  5. Step 5: Solve for x
    x = 27,494,358,168.06/250,615.32
  6. Step 6: Final answer
    x = 109,707.41

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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.