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Finding the Fourth Proportional to 301,606.11, 416,219.28 and 165,642.87

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Solution

The fourth proportional to 301,606.11, 416,219.28 and 165,642.87 is: 228,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,606.11 : 416,219.28 = 165,642.87 : x
  2. Step 2: Convert to fraction form
    301,606.11/416,219.28 = 165,642.87/x
  3. Step 3: Cross multiply
    301,606.11x = 416,219.28 × 165,642.87
  4. Step 4: Simplify right side
    301,606.11x = 68,943,756,088.53
  5. Step 5: Solve for x
    x = 68,943,756,088.53/301,606.11
  6. Step 6: Final answer
    x = 228,588.72

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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.