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Finding the Fourth Proportional to 62,160.92, 93,306.60 and 55,090.40

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Solution

The fourth proportional to 62,160.92, 93,306.60 and 55,090.40 is: 82,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,160.92 : 93,306.60 = 55,090.40 : x
  2. Step 2: Convert to fraction form
    62,160.92/93,306.60 = 55,090.40/x
  3. Step 3: Cross multiply
    62,160.92x = 93,306.60 × 55,090.40
  4. Step 4: Simplify right side
    62,160.92x = 5,140,297,916.64
  5. Step 5: Solve for x
    x = 5,140,297,916.64/62,160.92
  6. Step 6: Final answer
    x = 82,693.40

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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.