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Finding the Fourth Proportional to 108,749.80, 163,124.70 and 62,093.80

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Solution

The fourth proportional to 108,749.80, 163,124.70 and 62,093.80 is: 93,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,749.80 : 163,124.70 = 62,093.80 : x
  2. Step 2: Convert to fraction form
    108,749.80/163,124.70 = 62,093.80/x
  3. Step 3: Cross multiply
    108,749.80x = 163,124.70 × 62,093.80
  4. Step 4: Simplify right side
    108,749.80x = 10,129,032,496.86
  5. Step 5: Solve for x
    x = 10,129,032,496.86/108,749.80
  6. Step 6: Final answer
    x = 93,140.70

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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.