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Finding the Fourth Proportional to 98,476.26, 135,895.50 and 56,033.88

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Solution

The fourth proportional to 98,476.26, 135,895.50 and 56,033.88 is: 77,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,476.26 : 135,895.50 = 56,033.88 : x
  2. Step 2: Convert to fraction form
    98,476.26/135,895.50 = 56,033.88/x
  3. Step 3: Cross multiply
    98,476.26x = 135,895.50 × 56,033.88
  4. Step 4: Simplify right side
    98,476.26x = 7,614,752,139.54
  5. Step 5: Solve for x
    x = 7,614,752,139.54/98,476.26
  6. Step 6: Final answer
    x = 77,325.77

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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.