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Finding the Fourth Proportional to 114,047.14, 157,378.72 and 63,056.90

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Solution

The fourth proportional to 114,047.14, 157,378.72 and 63,056.90 is: 87,015.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,047.14 : 157,378.72 = 63,056.90 : x
  2. Step 2: Convert to fraction form
    114,047.14/157,378.72 = 63,056.90/x
  3. Step 3: Cross multiply
    114,047.14x = 157,378.72 × 63,056.90
  4. Step 4: Simplify right side
    114,047.14x = 9,923,814,209.17
  5. Step 5: Solve for x
    x = 9,923,814,209.17/114,047.14
  6. Step 6: Final answer
    x = 87,015.02

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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.