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Finding the Fourth Proportional to 341,063.85, 511,508.51 and 101,121.64

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Solution

The fourth proportional to 341,063.85, 511,508.51 and 101,121.64 is: 151,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,063.85 : 511,508.51 = 101,121.64 : x
  2. Step 2: Convert to fraction form
    341,063.85/511,508.51 = 101,121.64/x
  3. Step 3: Cross multiply
    341,063.85x = 511,508.51 × 101,121.64
  4. Step 4: Simplify right side
    341,063.85x = 51,724,578,899.55
  5. Step 5: Solve for x
    x = 51,724,578,899.55/341,063.85
  6. Step 6: Final answer
    x = 151,656.59

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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.