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Finding the Fourth Proportional to 170,693.40, 256,040.10 and 52,364.55

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Solution

The fourth proportional to 170,693.40, 256,040.10 and 52,364.55 is: 78,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,693.40 : 256,040.10 = 52,364.55 : x
  2. Step 2: Convert to fraction form
    170,693.40/256,040.10 = 52,364.55/x
  3. Step 3: Cross multiply
    170,693.40x = 256,040.10 × 52,364.55
  4. Step 4: Simplify right side
    170,693.40x = 13,407,424,618.46
  5. Step 5: Solve for x
    x = 13,407,424,618.46/170,693.40
  6. Step 6: Final answer
    x = 78,546.83

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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.