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Finding the Fourth Proportional to 250,549.84, 375,784.75 and 73,015.32

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Solution

The fourth proportional to 250,549.84, 375,784.75 and 73,015.32 is: 109,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,549.84 : 375,784.75 = 73,015.32 : x
  2. Step 2: Convert to fraction form
    250,549.84/375,784.75 = 73,015.32/x
  3. Step 3: Cross multiply
    250,549.84x = 375,784.75 × 73,015.32
  4. Step 4: Simplify right side
    250,549.84x = 27,438,043,772.37
  5. Step 5: Solve for x
    x = 27,438,043,772.37/250,549.84
  6. Step 6: Final answer
    x = 109,511.32

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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.