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Finding the Fourth Proportional to 114,196.92, 157,587.80 and 63,211.88

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Solution

The fourth proportional to 114,196.92, 157,587.80 and 63,211.88 is: 87,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,196.92 : 157,587.80 = 63,211.88 : x
  2. Step 2: Convert to fraction form
    114,196.92/157,587.80 = 63,211.88/x
  3. Step 3: Cross multiply
    114,196.92x = 157,587.80 × 63,211.88
  4. Step 4: Simplify right side
    114,196.92x = 9,961,420,827.89
  5. Step 5: Solve for x
    x = 9,961,420,827.89/114,196.92
  6. Step 6: Final answer
    x = 87,230.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.