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Finding the Fourth Proportional to 61,064.73, 91,598.87 and 52,123.68

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Solution

The fourth proportional to 61,064.73, 91,598.87 and 52,123.68 is: 78,187.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,064.73 : 91,598.87 = 52,123.68 : x
  2. Step 2: Convert to fraction form
    61,064.73/91,598.87 = 52,123.68/x
  3. Step 3: Cross multiply
    61,064.73x = 91,598.87 × 52,123.68
  4. Step 4: Simplify right side
    61,064.73x = 4,774,470,318.55
  5. Step 5: Solve for x
    x = 4,774,470,318.55/61,064.73
  6. Step 6: Final answer
    x = 78,187.04

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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.