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Finding the Fourth Proportional to 260,093.25, 390,139.88 and 63,101.25

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Solution

The fourth proportional to 260,093.25, 390,139.88 and 63,101.25 is: 94,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,093.25 : 390,139.88 = 63,101.25 : x
  2. Step 2: Convert to fraction form
    260,093.25/390,139.88 = 63,101.25/x
  3. Step 3: Cross multiply
    260,093.25x = 390,139.88 × 63,101.25
  4. Step 4: Simplify right side
    260,093.25x = 24,618,313,787.34
  5. Step 5: Solve for x
    x = 24,618,313,787.34/260,093.25
  6. Step 6: Final answer
    x = 94,651.88

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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.