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Finding the Fourth Proportional to 365,032.78, 547,568.66 and 112,486.72

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Solution

The fourth proportional to 365,032.78, 547,568.66 and 112,486.72 is: 168,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,032.78 : 547,568.66 = 112,486.72 : x
  2. Step 2: Convert to fraction form
    365,032.78/547,568.66 = 112,486.72/x
  3. Step 3: Cross multiply
    365,032.78x = 547,568.66 × 112,486.72
  4. Step 4: Simplify right side
    365,032.78x = 61,594,202,538.20
  5. Step 5: Solve for x
    x = 61,594,202,538.20/365,032.78
  6. Step 6: Final answer
    x = 168,736.09

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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.