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Finding the Fourth Proportional to 114,459.53, 157,951.22 and 63,471.45

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Solution

The fourth proportional to 114,459.53, 157,951.22 and 63,471.45 is: 87,588.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,459.53 : 157,951.22 = 63,471.45 : x
  2. Step 2: Convert to fraction form
    114,459.53/157,951.22 = 63,471.45/x
  3. Step 3: Cross multiply
    114,459.53x = 157,951.22 × 63,471.45
  4. Step 4: Simplify right side
    114,459.53x = 10,025,392,349.15
  5. Step 5: Solve for x
    x = 10,025,392,349.15/114,459.53
  6. Step 6: Final answer
    x = 87,588.97

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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.