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Finding the Fourth Proportional to 110,393.96, 152,261.52 and 70,072.70

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Solution

The fourth proportional to 110,393.96, 152,261.52 and 70,072.70 is: 96,648.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,393.96 : 152,261.52 = 70,072.70 : x
  2. Step 2: Convert to fraction form
    110,393.96/152,261.52 = 70,072.70/x
  3. Step 3: Cross multiply
    110,393.96x = 152,261.52 × 70,072.70
  4. Step 4: Simplify right side
    110,393.96x = 10,669,375,812.50
  5. Step 5: Solve for x
    x = 10,669,375,812.50/110,393.96
  6. Step 6: Final answer
    x = 96,648.18

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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.