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Finding the Fourth Proportional to 162,933.30, 224,856.84 and 91,336.32

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Solution

The fourth proportional to 162,933.30, 224,856.84 and 91,336.32 is: 126,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,933.30 : 224,856.84 = 91,336.32 : x
  2. Step 2: Convert to fraction form
    162,933.30/224,856.84 = 91,336.32/x
  3. Step 3: Cross multiply
    162,933.30x = 224,856.84 × 91,336.32
  4. Step 4: Simplify right side
    162,933.30x = 20,537,596,292.43
  5. Step 5: Solve for x
    x = 20,537,596,292.43/162,933.30
  6. Step 6: Final answer
    x = 126,049.10

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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.