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Finding the Fourth Proportional to 206,901.66, 310,488.59 and 113,473.02

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Solution

The fourth proportional to 206,901.66, 310,488.59 and 113,473.02 is: 170,284.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,901.66 : 310,488.59 = 113,473.02 : x
  2. Step 2: Convert to fraction form
    206,901.66/310,488.59 = 113,473.02/x
  3. Step 3: Cross multiply
    206,901.66x = 310,488.59 × 113,473.02
  4. Step 4: Simplify right side
    206,901.66x = 35,232,077,982.84
  5. Step 5: Solve for x
    x = 35,232,077,982.84/206,901.66
  6. Step 6: Final answer
    x = 170,284.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.