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Finding the Fourth Proportional to 110,817.84, 152,928.36 and 60,517.20

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Solution

The fourth proportional to 110,817.84, 152,928.36 and 60,517.20 is: 83,513.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,817.84 : 152,928.36 = 60,517.20 : x
  2. Step 2: Convert to fraction form
    110,817.84/152,928.36 = 60,517.20/x
  3. Step 3: Cross multiply
    110,817.84x = 152,928.36 × 60,517.20
  4. Step 4: Simplify right side
    110,817.84x = 9,254,796,147.79
  5. Step 5: Solve for x
    x = 9,254,796,147.79/110,817.84
  6. Step 6: Final answer
    x = 83,513.59

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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.