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Finding the Fourth Proportional to 224,455.92, 336,729.96 and 66,670.32

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Solution

The fourth proportional to 224,455.92, 336,729.96 and 66,670.32 is: 100,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,455.92 : 336,729.96 = 66,670.32 : x
  2. Step 2: Convert to fraction form
    224,455.92/336,729.96 = 66,670.32/x
  3. Step 3: Cross multiply
    224,455.92x = 336,729.96 × 66,670.32
  4. Step 4: Simplify right side
    224,455.92x = 22,449,894,186.79
  5. Step 5: Solve for x
    x = 22,449,894,186.79/224,455.92
  6. Step 6: Final answer
    x = 100,019.17

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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.