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Finding the Fourth Proportional to 162,571.33, 243,831.84 and 62,716.96

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Solution

The fourth proportional to 162,571.33, 243,831.84 and 62,716.96 is: 94,065.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,571.33 : 243,831.84 = 62,716.96 : x
  2. Step 2: Convert to fraction form
    162,571.33/243,831.84 = 62,716.96/x
  3. Step 3: Cross multiply
    162,571.33x = 243,831.84 × 62,716.96
  4. Step 4: Simplify right side
    162,571.33x = 15,292,391,756.01
  5. Step 5: Solve for x
    x = 15,292,391,756.01/162,571.33
  6. Step 6: Final answer
    x = 94,065.74

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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.