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Finding the Fourth Proportional to 144,855, 217,318.01 and 117,027.18

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Solution

The fourth proportional to 144,855, 217,318.01 and 117,027.18 is: 175,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,855 : 217,318.01 = 117,027.18 : x
  2. Step 2: Convert to fraction form
    144,855/217,318.01 = 117,027.18/x
  3. Step 3: Cross multiply
    144,855x = 217,318.01 × 117,027.18
  4. Step 4: Simplify right side
    144,855x = 25,432,113,288.38
  5. Step 5: Solve for x
    x = 25,432,113,288.38/144,855
  6. Step 6: Final answer
    x = 175,569.45

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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.