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Finding the Fourth Proportional to 114,159.79, 157,603.86 and 68,849.30

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Solution

The fourth proportional to 114,159.79, 157,603.86 and 68,849.30 is: 95,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,159.79 : 157,603.86 = 68,849.30 : x
  2. Step 2: Convert to fraction form
    114,159.79/157,603.86 = 68,849.30/x
  3. Step 3: Cross multiply
    114,159.79x = 157,603.86 × 68,849.30
  4. Step 4: Simplify right side
    114,159.79x = 10,850,915,832.31
  5. Step 5: Solve for x
    x = 10,850,915,832.31/114,159.79
  6. Step 6: Final answer
    x = 95,050.24

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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.