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Finding the Fourth Proportional to 133,064.90, 183,627.94 and 75,704.08

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Solution

The fourth proportional to 133,064.90, 183,627.94 and 75,704.08 is: 104,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,064.90 : 183,627.94 = 75,704.08 : x
  2. Step 2: Convert to fraction form
    133,064.90/183,627.94 = 75,704.08/x
  3. Step 3: Cross multiply
    133,064.90x = 183,627.94 × 75,704.08
  4. Step 4: Simplify right side
    133,064.90x = 13,901,383,341.86
  5. Step 5: Solve for x
    x = 13,901,383,341.86/133,064.90
  6. Step 6: Final answer
    x = 104,470.70

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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.