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Finding the Fourth Proportional to 224,530.60, 336,752.70 and 66,764.20

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Solution

The fourth proportional to 224,530.60, 336,752.70 and 66,764.20 is: 100,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,530.60 : 336,752.70 = 66,764.20 : x
  2. Step 2: Convert to fraction form
    224,530.60/336,752.70 = 66,764.20/x
  3. Step 3: Cross multiply
    224,530.60x = 336,752.70 × 66,764.20
  4. Step 4: Simplify right side
    224,530.60x = 22,483,024,613.34
  5. Step 5: Solve for x
    x = 22,483,024,613.34/224,530.60
  6. Step 6: Final answer
    x = 100,133.45

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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.