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Finding the Fourth Proportional to 114,874.86, 158,518.11 and 63,887.69

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Solution

The fourth proportional to 114,874.86, 158,518.11 and 63,887.69 is: 88,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,874.86 : 158,518.11 = 63,887.69 : x
  2. Step 2: Convert to fraction form
    114,874.86/158,518.11 = 63,887.69/x
  3. Step 3: Cross multiply
    114,874.86x = 158,518.11 × 63,887.69
  4. Step 4: Simplify right side
    114,874.86x = 10,127,355,871.07
  5. Step 5: Solve for x
    x = 10,127,355,871.07/114,874.86
  6. Step 6: Final answer
    x = 88,159.90

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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.