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Finding the Fourth Proportional to 58,139.88, 87,194.21 and 16,009.93

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Solution

The fourth proportional to 58,139.88, 87,194.21 and 16,009.93 is: 24,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,139.88 : 87,194.21 = 16,009.93 : x
  2. Step 2: Convert to fraction form
    58,139.88/87,194.21 = 16,009.93/x
  3. Step 3: Cross multiply
    58,139.88x = 87,194.21 × 16,009.93
  4. Step 4: Simplify right side
    58,139.88x = 1,395,973,118.46
  5. Step 5: Solve for x
    x = 1,395,973,118.46/58,139.88
  6. Step 6: Final answer
    x = 24,010.60

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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.