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Finding the Fourth Proportional to 468,875.93, 703,313.91 and 113,887.56

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Solution

The fourth proportional to 468,875.93, 703,313.91 and 113,887.56 is: 170,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,875.93 : 703,313.91 = 113,887.56 : x
  2. Step 2: Convert to fraction form
    468,875.93/703,313.91 = 113,887.56/x
  3. Step 3: Cross multiply
    468,875.93x = 703,313.91 × 113,887.56
  4. Step 4: Simplify right side
    468,875.93x = 80,098,705,123.96
  5. Step 5: Solve for x
    x = 80,098,705,123.96/468,875.93
  6. Step 6: Final answer
    x = 170,831.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.