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Finding the Fourth Proportional to 224,005.64, 336,074.08 and 66,238.20

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Solution

The fourth proportional to 224,005.64, 336,074.08 and 66,238.20 is: 99,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,005.64 : 336,074.08 = 66,238.20 : x
  2. Step 2: Convert to fraction form
    224,005.64/336,074.08 = 66,238.20/x
  3. Step 3: Cross multiply
    224,005.64x = 336,074.08 × 66,238.20
  4. Step 4: Simplify right side
    224,005.64x = 22,260,942,125.86
  5. Step 5: Solve for x
    x = 22,260,942,125.86/224,005.64
  6. Step 6: Final answer
    x = 99,376.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.