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Finding the Fourth Proportional to 250,444.24, 375,656.64 and 100,639.60

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Solution

The fourth proportional to 250,444.24, 375,656.64 and 100,639.60 is: 150,955.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,444.24 : 375,656.64 = 100,639.60 : x
  2. Step 2: Convert to fraction form
    250,444.24/375,656.64 = 100,639.60/x
  3. Step 3: Cross multiply
    250,444.24x = 375,656.64 × 100,639.60
  4. Step 4: Simplify right side
    250,444.24x = 37,805,933,986.94
  5. Step 5: Solve for x
    x = 37,805,933,986.94/250,444.24
  6. Step 6: Final answer
    x = 150,955.49

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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.