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Finding the Fourth Proportional to 114,022.88, 157,337.94 and 63,028.72

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Solution

The fourth proportional to 114,022.88, 157,337.94 and 63,028.72 is: 86,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,022.88 : 157,337.94 = 63,028.72 : x
  2. Step 2: Convert to fraction form
    114,022.88/157,337.94 = 63,028.72/x
  3. Step 3: Cross multiply
    114,022.88x = 157,337.94 × 63,028.72
  4. Step 4: Simplify right side
    114,022.88x = 9,916,808,965.64
  5. Step 5: Solve for x
    x = 9,916,808,965.64/114,022.88
  6. Step 6: Final answer
    x = 86,972.10

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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.