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Finding the Fourth Proportional to 171,041.70, 256,562.55 and 168,125.70

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Solution

The fourth proportional to 171,041.70, 256,562.55 and 168,125.70 is: 252,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,041.70 : 256,562.55 = 168,125.70 : x
  2. Step 2: Convert to fraction form
    171,041.70/256,562.55 = 168,125.70/x
  3. Step 3: Cross multiply
    171,041.70x = 256,562.55 × 168,125.70
  4. Step 4: Simplify right side
    171,041.70x = 43,134,758,312.54
  5. Step 5: Solve for x
    x = 43,134,758,312.54/171,041.70
  6. Step 6: Final answer
    x = 252,188.55

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1.5x scale

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.