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Finding the Fourth Proportional to 265,014.59, 397,521.88 and 107,353.76

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Solution

The fourth proportional to 265,014.59, 397,521.88 and 107,353.76 is: 161,030.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,014.59 : 397,521.88 = 107,353.76 : x
  2. Step 2: Convert to fraction form
    265,014.59/397,521.88 = 107,353.76/x
  3. Step 3: Cross multiply
    265,014.59x = 397,521.88 × 107,353.76
  4. Step 4: Simplify right side
    265,014.59x = 42,675,466,244.28
  5. Step 5: Solve for x
    x = 42,675,466,244.28/265,014.59
  6. Step 6: Final answer
    x = 161,030.63

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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.