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Finding the Fourth Proportional to 224,411.64, 336,519.06 and 84,072.12

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Solution

The fourth proportional to 224,411.64, 336,519.06 and 84,072.12 is: 126,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,411.64 : 336,519.06 = 84,072.12 : x
  2. Step 2: Convert to fraction form
    224,411.64/336,519.06 = 84,072.12/x
  3. Step 3: Cross multiply
    224,411.64x = 336,519.06 × 84,072.12
  4. Step 4: Simplify right side
    224,411.64x = 28,291,870,794.61
  5. Step 5: Solve for x
    x = 28,291,870,794.61/224,411.64
  6. Step 6: Final answer
    x = 126,071.32

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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.