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Finding the Fourth Proportional to 114,066.80, 157,409.36 and 63,082.38

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Solution

The fourth proportional to 114,066.80, 157,409.36 and 63,082.38 is: 87,052.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,066.80 : 157,409.36 = 63,082.38 : x
  2. Step 2: Convert to fraction form
    114,066.80/157,409.36 = 63,082.38/x
  3. Step 3: Cross multiply
    114,066.80x = 157,409.36 × 63,082.38
  4. Step 4: Simplify right side
    114,066.80x = 9,929,757,063.08
  5. Step 5: Solve for x
    x = 9,929,757,063.08/114,066.80
  6. Step 6: Final answer
    x = 87,052.12

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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.