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Finding the Fourth Proportional to 166,405.71, 229,656.03 and 98,444.58

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Solution

The fourth proportional to 166,405.71, 229,656.03 and 98,444.58 is: 135,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,405.71 : 229,656.03 = 98,444.58 : x
  2. Step 2: Convert to fraction form
    166,405.71/229,656.03 = 98,444.58/x
  3. Step 3: Cross multiply
    166,405.71x = 229,656.03 × 98,444.58
  4. Step 4: Simplify right side
    166,405.71x = 22,608,391,417.82
  5. Step 5: Solve for x
    x = 22,608,391,417.82/166,405.71
  6. Step 6: Final answer
    x = 135,863.07

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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.