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Finding the Fourth Proportional to 224,685.31, 309,923.33 and 170,852.30

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Solution

The fourth proportional to 224,685.31, 309,923.33 and 170,852.30 is: 235,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,685.31 : 309,923.33 = 170,852.30 : x
  2. Step 2: Convert to fraction form
    224,685.31/309,923.33 = 170,852.30/x
  3. Step 3: Cross multiply
    224,685.31x = 309,923.33 × 170,852.30
  4. Step 4: Simplify right side
    224,685.31x = 52,951,113,754.16
  5. Step 5: Solve for x
    x = 52,951,113,754.16/224,685.31
  6. Step 6: Final answer
    x = 235,667.90

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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.