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Finding the Fourth Proportional to 224,585.40, 336,878.10 and 66,793.35

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Solution

The fourth proportional to 224,585.40, 336,878.10 and 66,793.35 is: 100,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,585.40 : 336,878.10 = 66,793.35 : x
  2. Step 2: Convert to fraction form
    224,585.40/336,878.10 = 66,793.35/x
  3. Step 3: Cross multiply
    224,585.40x = 336,878.10 × 66,793.35
  4. Step 4: Simplify right side
    224,585.40x = 22,501,216,840.64
  5. Step 5: Solve for x
    x = 22,501,216,840.64/224,585.40
  6. Step 6: Final answer
    x = 100,190.03

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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.