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Finding the Fourth Proportional to 114,062.43, 157,399.74 and 63,072.12

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Solution

The fourth proportional to 114,062.43, 157,399.74 and 63,072.12 is: 87,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,062.43 : 157,399.74 = 63,072.12 : x
  2. Step 2: Convert to fraction form
    114,062.43/157,399.74 = 63,072.12/x
  3. Step 3: Cross multiply
    114,062.43x = 157,399.74 × 63,072.12
  4. Step 4: Simplify right side
    114,062.43x = 9,927,535,289.25
  5. Step 5: Solve for x
    x = 9,927,535,289.25/114,062.43
  6. Step 6: Final answer
    x = 87,035.98

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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.