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Finding the Fourth Proportional to 227,228.40, 313,598.52 and 136,613.88

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Solution

The fourth proportional to 227,228.40, 313,598.52 and 136,613.88 is: 188,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,228.40 : 313,598.52 = 136,613.88 : x
  2. Step 2: Convert to fraction form
    227,228.40/313,598.52 = 136,613.88/x
  3. Step 3: Cross multiply
    227,228.40x = 313,598.52 × 136,613.88
  4. Step 4: Simplify right side
    227,228.40x = 42,841,910,579.46
  5. Step 5: Solve for x
    x = 42,841,910,579.46/227,228.40
  6. Step 6: Final answer
    x = 188,541.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.