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Finding the Fourth Proportional to 92,881.02, 128,183.79 and 52,601.88

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Solution

The fourth proportional to 92,881.02, 128,183.79 and 52,601.88 is: 72,595.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,881.02 : 128,183.79 = 52,601.88 : x
  2. Step 2: Convert to fraction form
    92,881.02/128,183.79 = 52,601.88/x
  3. Step 3: Cross multiply
    92,881.02x = 128,183.79 × 52,601.88
  4. Step 4: Simplify right side
    92,881.02x = 6,742,708,339.53
  5. Step 5: Solve for x
    x = 6,742,708,339.53/92,881.02
  6. Step 6: Final answer
    x = 72,595.12

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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.