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Finding the Fourth Proportional to 161,761.12, 242,641.68 and 63,196

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Solution

The fourth proportional to 161,761.12, 242,641.68 and 63,196 is: 94,794

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,761.12 : 242,641.68 = 63,196 : x
  2. Step 2: Convert to fraction form
    161,761.12/242,641.68 = 63,196/x
  3. Step 3: Cross multiply
    161,761.12x = 242,641.68 × 63,196
  4. Step 4: Simplify right side
    161,761.12x = 15,333,983,609.28
  5. Step 5: Solve for x
    x = 15,333,983,609.28/161,761.12
  6. Step 6: Final answer
    x = 94,794

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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.