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Finding the Fourth Proportional to 119,274.30, 164,599.44 and 65,560.20

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Solution

The fourth proportional to 119,274.30, 164,599.44 and 65,560.20 is: 90,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,274.30 : 164,599.44 = 65,560.20 : x
  2. Step 2: Convert to fraction form
    119,274.30/164,599.44 = 65,560.20/x
  3. Step 3: Cross multiply
    119,274.30x = 164,599.44 × 65,560.20
  4. Step 4: Simplify right side
    119,274.30x = 10,791,172,206.29
  5. Step 5: Solve for x
    x = 10,791,172,206.29/119,274.30
  6. Step 6: Final answer
    x = 90,473.57

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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.