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Finding the Fourth Proportional to 114,160.80, 157,605.24 and 68,850.30

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Solution

The fourth proportional to 114,160.80, 157,605.24 and 68,850.30 is: 95,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,160.80 : 157,605.24 = 68,850.30 : x
  2. Step 2: Convert to fraction form
    114,160.80/157,605.24 = 68,850.30/x
  3. Step 3: Cross multiply
    114,160.80x = 157,605.24 × 68,850.30
  4. Step 4: Simplify right side
    114,160.80x = 10,851,168,449.59
  5. Step 5: Solve for x
    x = 10,851,168,449.59/114,160.80
  6. Step 6: Final answer
    x = 95,051.62

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1.5x scale

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.