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Finding the Fourth Proportional to 217,277.76, 325,959.30 and 105,035.52

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Solution

The fourth proportional to 217,277.76, 325,959.30 and 105,035.52 is: 157,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,277.76 : 325,959.30 = 105,035.52 : x
  2. Step 2: Convert to fraction form
    217,277.76/325,959.30 = 105,035.52/x
  3. Step 3: Cross multiply
    217,277.76x = 325,959.30 × 105,035.52
  4. Step 4: Simplify right side
    217,277.76x = 34,237,304,574.34
  5. Step 5: Solve for x
    x = 34,237,304,574.34/217,277.76
  6. Step 6: Final answer
    x = 157,573.90

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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.