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Finding the Fourth Proportional to 159,095.70, 219,530.94 and 98,644.29

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Solution

The fourth proportional to 159,095.70, 219,530.94 and 98,644.29 is: 136,116.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,095.70 : 219,530.94 = 98,644.29 : x
  2. Step 2: Convert to fraction form
    159,095.70/219,530.94 = 98,644.29/x
  3. Step 3: Cross multiply
    159,095.70x = 219,530.94 × 98,644.29
  4. Step 4: Simplify right side
    159,095.70x = 21,655,473,709.33
  5. Step 5: Solve for x
    x = 21,655,473,709.33/159,095.70
  6. Step 6: Final answer
    x = 136,116.02

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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.