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Finding the Fourth Proportional to 114,237.12, 157,647.42 and 63,936.12

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Solution

The fourth proportional to 114,237.12, 157,647.42 and 63,936.12 is: 88,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,237.12 : 157,647.42 = 63,936.12 : x
  2. Step 2: Convert to fraction form
    114,237.12/157,647.42 = 63,936.12/x
  3. Step 3: Cross multiply
    114,237.12x = 157,647.42 × 63,936.12
  4. Step 4: Simplify right side
    114,237.12x = 10,079,364,362.81
  5. Step 5: Solve for x
    x = 10,079,364,362.81/114,237.12
  6. Step 6: Final answer
    x = 88,231.95

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1.5x scale

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.