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Finding the Fourth Proportional to 163,178.96, 224,512.56 and 132,276.56

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Solution

The fourth proportional to 163,178.96, 224,512.56 and 132,276.56 is: 181,994.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,178.96 : 224,512.56 = 132,276.56 : x
  2. Step 2: Convert to fraction form
    163,178.96/224,512.56 = 132,276.56/x
  3. Step 3: Cross multiply
    163,178.96x = 224,512.56 × 132,276.56
  4. Step 4: Simplify right side
    163,178.96x = 29,697,749,113.59
  5. Step 5: Solve for x
    x = 29,697,749,113.59/163,178.96
  6. Step 6: Final answer
    x = 181,994.96

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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.