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Finding the Fourth Proportional to 227,207.40, 313,569.54 and 136,592.88

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Solution

The fourth proportional to 227,207.40, 313,569.54 and 136,592.88 is: 188,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,207.40 : 313,569.54 = 136,592.88 : x
  2. Step 2: Convert to fraction form
    227,207.40/313,569.54 = 136,592.88/x
  3. Step 3: Cross multiply
    227,207.40x = 313,569.54 × 136,592.88
  4. Step 4: Simplify right side
    227,207.40x = 42,831,366,548.88
  5. Step 5: Solve for x
    x = 42,831,366,548.88/227,207.40
  6. Step 6: Final answer
    x = 188,512.20

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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.