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Finding the Fourth Proportional to 250,549.55, 375,784.31 and 73,015.03

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Solution

The fourth proportional to 250,549.55, 375,784.31 and 73,015.03 is: 109,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,549.55 : 375,784.31 = 73,015.03 : x
  2. Step 2: Convert to fraction form
    250,549.55/375,784.31 = 73,015.03/x
  3. Step 3: Cross multiply
    250,549.55x = 375,784.31 × 73,015.03
  4. Step 4: Simplify right side
    250,549.55x = 27,437,901,637.45
  5. Step 5: Solve for x
    x = 27,437,901,637.45/250,549.55
  6. Step 6: Final answer
    x = 109,510.88

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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.