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Finding the Fourth Proportional to 315,937.58, 473,936.07 and 116,261.78

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Solution

The fourth proportional to 315,937.58, 473,936.07 and 116,261.78 is: 174,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,937.58 : 473,936.07 = 116,261.78 : x
  2. Step 2: Convert to fraction form
    315,937.58/473,936.07 = 116,261.78/x
  3. Step 3: Cross multiply
    315,937.58x = 473,936.07 × 116,261.78
  4. Step 4: Simplify right side
    315,937.58x = 55,100,651,104.40
  5. Step 5: Solve for x
    x = 55,100,651,104.40/315,937.58
  6. Step 6: Final answer
    x = 174,403.60

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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.