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Finding the Fourth Proportional to 97,484.38, 134,528.78 and 52,772.38

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Solution

The fourth proportional to 97,484.38, 134,528.78 and 52,772.38 is: 72,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,484.38 : 134,528.78 = 52,772.38 : x
  2. Step 2: Convert to fraction form
    97,484.38/134,528.78 = 52,772.38/x
  3. Step 3: Cross multiply
    97,484.38x = 134,528.78 × 52,772.38
  4. Step 4: Simplify right side
    97,484.38x = 7,099,403,694.71
  5. Step 5: Solve for x
    x = 7,099,403,694.71/97,484.38
  6. Step 6: Final answer
    x = 72,826.07

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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.