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Finding the Fourth Proportional to 171,448.46, 236,576.46 and 98,854.08

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Solution

The fourth proportional to 171,448.46, 236,576.46 and 98,854.08 is: 136,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,448.46 : 236,576.46 = 98,854.08 : x
  2. Step 2: Convert to fraction form
    171,448.46/236,576.46 = 98,854.08/x
  3. Step 3: Cross multiply
    171,448.46x = 236,576.46 × 98,854.08
  4. Step 4: Simplify right side
    171,448.46x = 23,386,548,302.96
  5. Step 5: Solve for x
    x = 23,386,548,302.96/171,448.46
  6. Step 6: Final answer
    x = 136,405.71

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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.