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Finding the Fourth Proportional to 224,574.49, 336,878.30 and 64,643.96

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Solution

The fourth proportional to 224,574.49, 336,878.30 and 64,643.96 is: 96,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,574.49 : 336,878.30 = 64,643.96 : x
  2. Step 2: Convert to fraction form
    224,574.49/336,878.30 = 64,643.96/x
  3. Step 3: Cross multiply
    224,574.49x = 336,878.30 × 64,643.96
  4. Step 4: Simplify right side
    224,574.49x = 21,777,147,971.04
  5. Step 5: Solve for x
    x = 21,777,147,971.04/224,574.49
  6. Step 6: Final answer
    x = 96,970.71

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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.