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Finding the Fourth Proportional to 240,969.36, 360,961.56 and 112,702.08

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Solution

The fourth proportional to 240,969.36, 360,961.56 and 112,702.08 is: 168,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,969.36 : 360,961.56 = 112,702.08 : x
  2. Step 2: Convert to fraction form
    240,969.36/360,961.56 = 112,702.08/x
  3. Step 3: Cross multiply
    240,969.36x = 360,961.56 × 112,702.08
  4. Step 4: Simplify right side
    240,969.36x = 40,681,118,612.04
  5. Step 5: Solve for x
    x = 40,681,118,612.04/240,969.36
  6. Step 6: Final answer
    x = 168,822.79

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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.