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Finding the Fourth Proportional to 108,332.86, 162,482.82 and 41,763.28

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Solution

The fourth proportional to 108,332.86, 162,482.82 and 41,763.28 is: 62,638.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,332.86 : 162,482.82 = 41,763.28 : x
  2. Step 2: Convert to fraction form
    108,332.86/162,482.82 = 41,763.28/x
  3. Step 3: Cross multiply
    108,332.86x = 162,482.82 × 41,763.28
  4. Step 4: Simplify right side
    108,332.86x = 6,785,815,506.85
  5. Step 5: Solve for x
    x = 6,785,815,506.85/108,332.86
  6. Step 6: Final answer
    x = 62,638.57

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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.