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Finding the Fourth Proportional to 341,080.07, 511,621.31 and 104,421.76

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Solution

The fourth proportional to 341,080.07, 511,621.31 and 104,421.76 is: 156,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,080.07 : 511,621.31 = 104,421.76 : x
  2. Step 2: Convert to fraction form
    341,080.07/511,621.31 = 104,421.76/x
  3. Step 3: Cross multiply
    341,080.07x = 511,621.31 × 104,421.76
  4. Step 4: Simplify right side
    341,080.07x = 53,424,396,625.71
  5. Step 5: Solve for x
    x = 53,424,396,625.71/341,080.07
  6. Step 6: Final answer
    x = 156,633.01

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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.