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Finding the Fourth Proportional to 341,395.72, 512,039.58 and 116,755.72

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Solution

The fourth proportional to 341,395.72, 512,039.58 and 116,755.72 is: 175,115.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,395.72 : 512,039.58 = 116,755.72 : x
  2. Step 2: Convert to fraction form
    341,395.72/512,039.58 = 116,755.72/x
  3. Step 3: Cross multiply
    341,395.72x = 512,039.58 × 116,755.72
  4. Step 4: Simplify right side
    341,395.72x = 59,783,549,831.40
  5. Step 5: Solve for x
    x = 59,783,549,831.40/341,395.72
  6. Step 6: Final answer
    x = 175,115.11

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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.