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Finding the Fourth Proportional to 175,728.80, 263,706.60 and 96,899.60

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Solution

The fourth proportional to 175,728.80, 263,706.60 and 96,899.60 is: 145,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,728.80 : 263,706.60 = 96,899.60 : x
  2. Step 2: Convert to fraction form
    175,728.80/263,706.60 = 96,899.60/x
  3. Step 3: Cross multiply
    175,728.80x = 263,706.60 × 96,899.60
  4. Step 4: Simplify right side
    175,728.80x = 25,553,064,057.36
  5. Step 5: Solve for x
    x = 25,553,064,057.36/175,728.80
  6. Step 6: Final answer
    x = 145,411.93

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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.