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Finding the Fourth Proportional to 114,435.54, 157,921.02 and 63,448.11

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Solution

The fourth proportional to 114,435.54, 157,921.02 and 63,448.11 is: 87,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,435.54 : 157,921.02 = 63,448.11 : x
  2. Step 2: Convert to fraction form
    114,435.54/157,921.02 = 63,448.11/x
  3. Step 3: Cross multiply
    114,435.54x = 157,921.02 × 63,448.11
  4. Step 4: Simplify right side
    114,435.54x = 10,019,790,248.27
  5. Step 5: Solve for x
    x = 10,019,790,248.27/114,435.54
  6. Step 6: Final answer
    x = 87,558.38

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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.