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Finding the Fourth Proportional to 250,291.37, 375,500.63 and 72,798.38

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Solution

The fourth proportional to 250,291.37, 375,500.63 and 72,798.38 is: 109,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,291.37 : 375,500.63 = 72,798.38 : x
  2. Step 2: Convert to fraction form
    250,291.37/375,500.63 = 72,798.38/x
  3. Step 3: Cross multiply
    250,291.37x = 375,500.63 × 72,798.38
  4. Step 4: Simplify right side
    250,291.37x = 27,335,836,856.11
  5. Step 5: Solve for x
    x = 27,335,836,856.11/250,291.37
  6. Step 6: Final answer
    x = 109,216.06

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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.