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Finding the Fourth Proportional to 97,448.28, 134,478.60 and 52,736.28

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Solution

The fourth proportional to 97,448.28, 134,478.60 and 52,736.28 is: 72,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,448.28 : 134,478.60 = 52,736.28 : x
  2. Step 2: Convert to fraction form
    97,448.28/134,478.60 = 52,736.28/x
  3. Step 3: Cross multiply
    97,448.28x = 134,478.60 × 52,736.28
  4. Step 4: Simplify right side
    97,448.28x = 7,091,901,103.61
  5. Step 5: Solve for x
    x = 7,091,901,103.61/97,448.28
  6. Step 6: Final answer
    x = 72,776.05

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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.