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Finding the Fourth Proportional to 163,508.84, 225,602.78 and 95,487.20

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Solution

The fourth proportional to 163,508.84, 225,602.78 and 95,487.20 is: 131,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,508.84 : 225,602.78 = 95,487.20 : x
  2. Step 2: Convert to fraction form
    163,508.84/225,602.78 = 95,487.20/x
  3. Step 3: Cross multiply
    163,508.84x = 225,602.78 × 95,487.20
  4. Step 4: Simplify right side
    163,508.84x = 21,542,177,774.42
  5. Step 5: Solve for x
    x = 21,542,177,774.42/163,508.84
  6. Step 6: Final answer
    x = 131,749.32

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1.5x scale

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.