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Finding the Fourth Proportional to 266,522.48, 399,894.48 and 116,685.60

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Solution

The fourth proportional to 266,522.48, 399,894.48 and 116,685.60 is: 175,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,522.48 : 399,894.48 = 116,685.60 : x
  2. Step 2: Convert to fraction form
    266,522.48/399,894.48 = 116,685.60/x
  3. Step 3: Cross multiply
    266,522.48x = 399,894.48 × 116,685.60
  4. Step 4: Simplify right side
    266,522.48x = 46,661,927,335.49
  5. Step 5: Solve for x
    x = 46,661,927,335.49/266,522.48
  6. Step 6: Final answer
    x = 175,076.89

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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.