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Finding the Fourth Proportional to 120,599.31, 180,926.52 and 41,713.47

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Solution

The fourth proportional to 120,599.31, 180,926.52 and 41,713.47 is: 62,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,599.31 : 180,926.52 = 41,713.47 : x
  2. Step 2: Convert to fraction form
    120,599.31/180,926.52 = 41,713.47/x
  3. Step 3: Cross multiply
    120,599.31x = 180,926.52 × 41,713.47
  4. Step 4: Simplify right side
    120,599.31x = 7,547,072,964.22
  5. Step 5: Solve for x
    x = 7,547,072,964.22/120,599.31
  6. Step 6: Final answer
    x = 62,579.74

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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.