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Finding the Fourth Proportional to 62,212.60, 93,318.90 and 56,769.40

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Solution

The fourth proportional to 62,212.60, 93,318.90 and 56,769.40 is: 85,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,212.60 : 93,318.90 = 56,769.40 : x
  2. Step 2: Convert to fraction form
    62,212.60/93,318.90 = 56,769.40/x
  3. Step 3: Cross multiply
    62,212.60x = 93,318.90 × 56,769.40
  4. Step 4: Simplify right side
    62,212.60x = 5,297,657,961.66
  5. Step 5: Solve for x
    x = 5,297,657,961.66/62,212.60
  6. Step 6: Final answer
    x = 85,154.10

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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.