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Finding the Fourth Proportional to 110,287.67, 152,170.43 and 64,962.09

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Solution

The fourth proportional to 110,287.67, 152,170.43 and 64,962.09 is: 89,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,287.67 : 152,170.43 = 64,962.09 : x
  2. Step 2: Convert to fraction form
    110,287.67/152,170.43 = 64,962.09/x
  3. Step 3: Cross multiply
    110,287.67x = 152,170.43 × 64,962.09
  4. Step 4: Simplify right side
    110,287.67x = 9,885,308,844.19
  5. Step 5: Solve for x
    x = 9,885,308,844.19/110,287.67
  6. Step 6: Final answer
    x = 89,632.04

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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.