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Finding the Fourth Proportional to 58,858.66, 87,733.52 and 54,134.74

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Solution

The fourth proportional to 58,858.66, 87,733.52 and 54,134.74 is: 80,692.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,858.66 : 87,733.52 = 54,134.74 : x
  2. Step 2: Convert to fraction form
    58,858.66/87,733.52 = 54,134.74/x
  3. Step 3: Cross multiply
    58,858.66x = 87,733.52 × 54,134.74
  4. Step 4: Simplify right side
    58,858.66x = 4,749,430,804.48
  5. Step 5: Solve for x
    x = 4,749,430,804.48/58,858.66
  6. Step 6: Final answer
    x = 80,692.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.