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Finding the Fourth Proportional to 74,588.58, 102,931.38 and 44,373.42

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Solution

The fourth proportional to 74,588.58, 102,931.38 and 44,373.42 is: 61,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,588.58 : 102,931.38 = 44,373.42 : x
  2. Step 2: Convert to fraction form
    74,588.58/102,931.38 = 44,373.42/x
  3. Step 3: Cross multiply
    74,588.58x = 102,931.38 × 44,373.42
  4. Step 4: Simplify right side
    74,588.58x = 4,567,417,355.92
  5. Step 5: Solve for x
    x = 4,567,417,355.92/74,588.58
  6. Step 6: Final answer
    x = 61,234.81

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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.