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Finding the Fourth Proportional to 101,814.59, 140,468.38 and 58,792.86

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Solution

The fourth proportional to 101,814.59, 140,468.38 and 58,792.86 is: 81,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,814.59 : 140,468.38 = 58,792.86 : x
  2. Step 2: Convert to fraction form
    101,814.59/140,468.38 = 58,792.86/x
  3. Step 3: Cross multiply
    101,814.59x = 140,468.38 × 58,792.86
  4. Step 4: Simplify right side
    101,814.59x = 8,258,537,652.78
  5. Step 5: Solve for x
    x = 8,258,537,652.78/101,814.59
  6. Step 6: Final answer
    x = 81,113.50

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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.