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Finding the Fourth Proportional to 163,005.20, 224,947.98 and 95,069.28

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Solution

The fourth proportional to 163,005.20, 224,947.98 and 95,069.28 is: 131,196.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,005.20 : 224,947.98 = 95,069.28 : x
  2. Step 2: Convert to fraction form
    163,005.20/224,947.98 = 95,069.28/x
  3. Step 3: Cross multiply
    163,005.20x = 224,947.98 × 95,069.28
  4. Step 4: Simplify right side
    163,005.20x = 21,385,642,496.05
  5. Step 5: Solve for x
    x = 21,385,642,496.05/163,005.20
  6. Step 6: Final answer
    x = 131,196.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.