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Finding the Fourth Proportional to 114,457.05, 157,952.57 and 63,471.87

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Solution

The fourth proportional to 114,457.05, 157,952.57 and 63,471.87 is: 87,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,457.05 : 157,952.57 = 63,471.87 : x
  2. Step 2: Convert to fraction form
    114,457.05/157,952.57 = 63,471.87/x
  3. Step 3: Cross multiply
    114,457.05x = 157,952.57 × 63,471.87
  4. Step 4: Simplify right side
    114,457.05x = 10,025,544,671.85
  5. Step 5: Solve for x
    x = 10,025,544,671.85/114,457.05
  6. Step 6: Final answer
    x = 87,592.20

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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.