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Finding the Fourth Proportional to 153,298.46, 211,537.22 and 113,033.97

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Solution

The fourth proportional to 153,298.46, 211,537.22 and 113,033.97 is: 155,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,298.46 : 211,537.22 = 113,033.97 : x
  2. Step 2: Convert to fraction form
    153,298.46/211,537.22 = 113,033.97/x
  3. Step 3: Cross multiply
    153,298.46x = 211,537.22 × 113,033.97
  4. Step 4: Simplify right side
    153,298.46x = 23,910,891,214.19
  5. Step 5: Solve for x
    x = 23,910,891,214.19/153,298.46
  6. Step 6: Final answer
    x = 155,976.07

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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.