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Finding the Fourth Proportional to 341,141.13, 511,530.75 and 104,420.25

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Solution

The fourth proportional to 341,141.13, 511,530.75 and 104,420.25 is: 156,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,141.13 : 511,530.75 = 104,420.25 : x
  2. Step 2: Convert to fraction form
    341,141.13/511,530.75 = 104,420.25/x
  3. Step 3: Cross multiply
    341,141.13x = 511,530.75 × 104,420.25
  4. Step 4: Simplify right side
    341,141.13x = 53,414,168,797.69
  5. Step 5: Solve for x
    x = 53,414,168,797.69/341,141.13
  6. Step 6: Final answer
    x = 156,574.99

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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.