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Finding the Fourth Proportional to 127,575, 191,364.12 and 44,469

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Solution

The fourth proportional to 127,575, 191,364.12 and 44,469 is: 66,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,575 : 191,364.12 = 44,469 : x
  2. Step 2: Convert to fraction form
    127,575/191,364.12 = 44,469/x
  3. Step 3: Cross multiply
    127,575x = 191,364.12 × 44,469
  4. Step 4: Simplify right side
    127,575x = 8,509,771,052.28
  5. Step 5: Solve for x
    x = 8,509,771,052.28/127,575
  6. Step 6: Final answer
    x = 66,704.06

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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.