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Finding the Fourth Proportional to 127,954.84, 191,850.12 and 53,126.64

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Solution

The fourth proportional to 127,954.84, 191,850.12 and 53,126.64 is: 79,655.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,954.84 : 191,850.12 = 53,126.64 : x
  2. Step 2: Convert to fraction form
    127,954.84/191,850.12 = 53,126.64/x
  3. Step 3: Cross multiply
    127,954.84x = 191,850.12 × 53,126.64
  4. Step 4: Simplify right side
    127,954.84x = 10,192,352,259.20
  5. Step 5: Solve for x
    x = 10,192,352,259.20/127,954.84
  6. Step 6: Final answer
    x = 79,655.86

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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.