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Finding the Fourth Proportional to 79,995.84, 119,967.36 and 27,404.16

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Solution

The fourth proportional to 79,995.84, 119,967.36 and 27,404.16 is: 41,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,995.84 : 119,967.36 = 27,404.16 : x
  2. Step 2: Convert to fraction form
    79,995.84/119,967.36 = 27,404.16/x
  3. Step 3: Cross multiply
    79,995.84x = 119,967.36 × 27,404.16
  4. Step 4: Simplify right side
    79,995.84x = 3,287,604,728.22
  5. Step 5: Solve for x
    x = 3,287,604,728.22/79,995.84
  6. Step 6: Final answer
    x = 41,097.20

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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.