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Finding the Fourth Proportional to 252,508.25, 378,825.81 and 72,594.01

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Solution

The fourth proportional to 252,508.25, 378,825.81 and 72,594.01 is: 108,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,508.25 : 378,825.81 = 72,594.01 : x
  2. Step 2: Convert to fraction form
    252,508.25/378,825.81 = 72,594.01/x
  3. Step 3: Cross multiply
    252,508.25x = 378,825.81 × 72,594.01
  4. Step 4: Simplify right side
    252,508.25x = 27,500,484,639.40
  5. Step 5: Solve for x
    x = 27,500,484,639.40/252,508.25
  6. Step 6: Final answer
    x = 108,909.25

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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.