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Finding the Fourth Proportional to 97,728.84, 134,865.54 and 53,016.84

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Solution

The fourth proportional to 97,728.84, 134,865.54 and 53,016.84 is: 73,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,728.84 : 134,865.54 = 53,016.84 : x
  2. Step 2: Convert to fraction form
    97,728.84/134,865.54 = 53,016.84/x
  3. Step 3: Cross multiply
    97,728.84x = 134,865.54 × 53,016.84
  4. Step 4: Simplify right side
    97,728.84x = 7,150,144,755.69
  5. Step 5: Solve for x
    x = 7,150,144,755.69/97,728.84
  6. Step 6: Final answer
    x = 73,163.10

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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.