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Finding the Fourth Proportional to 114,371.66, 157,817.93 and 63,381.93

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Solution

The fourth proportional to 114,371.66, 157,817.93 and 63,381.93 is: 87,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,371.66 : 157,817.93 = 63,381.93 : x
  2. Step 2: Convert to fraction form
    114,371.66/157,817.93 = 63,381.93/x
  3. Step 3: Cross multiply
    114,371.66x = 157,817.93 × 63,381.93
  4. Step 4: Simplify right side
    114,371.66x = 10,002,804,675.10
  5. Step 5: Solve for x
    x = 10,002,804,675.10/114,371.66
  6. Step 6: Final answer
    x = 87,458.77

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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.