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Finding the Fourth Proportional to 162,894.75, 224,794.82 and 99,232.55

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Solution

The fourth proportional to 162,894.75, 224,794.82 and 99,232.55 is: 136,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,894.75 : 224,794.82 = 99,232.55 : x
  2. Step 2: Convert to fraction form
    162,894.75/224,794.82 = 99,232.55/x
  3. Step 3: Cross multiply
    162,894.75x = 224,794.82 × 99,232.55
  4. Step 4: Simplify right side
    162,894.75x = 22,306,963,215.39
  5. Step 5: Solve for x
    x = 22,306,963,215.39/162,894.75
  6. Step 6: Final answer
    x = 136,940.96

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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.