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Finding the Fourth Proportional to 200,396.52, 276,547.52 and 108,515.52

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Solution

The fourth proportional to 200,396.52, 276,547.52 and 108,515.52 is: 149,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,396.52 : 276,547.52 = 108,515.52 : x
  2. Step 2: Convert to fraction form
    200,396.52/276,547.52 = 108,515.52/x
  3. Step 3: Cross multiply
    200,396.52x = 276,547.52 × 108,515.52
  4. Step 4: Simplify right side
    200,396.52x = 30,009,698,376.19
  5. Step 5: Solve for x
    x = 30,009,698,376.19/200,396.52
  6. Step 6: Final answer
    x = 149,751.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.