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Finding the Fourth Proportional to 114,248.51, 157,662.81 and 63,947.51

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Solution

The fourth proportional to 114,248.51, 157,662.81 and 63,947.51 is: 88,247.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,248.51 : 157,662.81 = 63,947.51 : x
  2. Step 2: Convert to fraction form
    114,248.51/157,662.81 = 63,947.51/x
  3. Step 3: Cross multiply
    114,248.51x = 157,662.81 × 63,947.51
  4. Step 4: Simplify right side
    114,248.51x = 10,082,143,330.79
  5. Step 5: Solve for x
    x = 10,082,143,330.79/114,248.51
  6. Step 6: Final answer
    x = 88,247.49

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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.