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Finding the Fourth Proportional to 271,831.46, 375,071.46 and 157,069.04

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Solution

The fourth proportional to 271,831.46, 375,071.46 and 157,069.04 is: 216,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,831.46 : 375,071.46 = 157,069.04 : x
  2. Step 2: Convert to fraction form
    271,831.46/375,071.46 = 157,069.04/x
  3. Step 3: Cross multiply
    271,831.46x = 375,071.46 × 157,069.04
  4. Step 4: Simplify right side
    271,831.46x = 58,912,114,153.60
  5. Step 5: Solve for x
    x = 58,912,114,153.60/271,831.46
  6. Step 6: Final answer
    x = 216,722.94

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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.