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Finding the Fourth Proportional to 58,203.68, 87,305.16 and 16,650.68

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Solution

The fourth proportional to 58,203.68, 87,305.16 and 16,650.68 is: 24,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,203.68 : 87,305.16 = 16,650.68 : x
  2. Step 2: Convert to fraction form
    58,203.68/87,305.16 = 16,650.68/x
  3. Step 3: Cross multiply
    58,203.68x = 87,305.16 × 16,650.68
  4. Step 4: Simplify right side
    58,203.68x = 1,453,690,281.51
  5. Step 5: Solve for x
    x = 1,453,690,281.51/58,203.68
  6. Step 6: Final answer
    x = 24,975.92

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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.