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Finding the Fourth Proportional to 224,246.66, 336,416.16 and 91,126.64

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Solution

The fourth proportional to 224,246.66, 336,416.16 and 91,126.64 is: 136,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,246.66 : 336,416.16 = 91,126.64 : x
  2. Step 2: Convert to fraction form
    224,246.66/336,416.16 = 91,126.64/x
  3. Step 3: Cross multiply
    224,246.66x = 336,416.16 × 91,126.64
  4. Step 4: Simplify right side
    224,246.66x = 30,656,474,302.50
  5. Step 5: Solve for x
    x = 30,656,474,302.50/224,246.66
  6. Step 6: Final answer
    x = 136,708.72

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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.