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Finding the Fourth Proportional to 127,523.36, 175,986.03 and 70,168.61

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Solution

The fourth proportional to 127,523.36, 175,986.03 and 70,168.61 is: 96,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,523.36 : 175,986.03 = 70,168.61 : x
  2. Step 2: Convert to fraction form
    127,523.36/175,986.03 = 70,168.61/x
  3. Step 3: Cross multiply
    127,523.36x = 175,986.03 × 70,168.61
  4. Step 4: Simplify right side
    127,523.36x = 12,348,695,807.62
  5. Step 5: Solve for x
    x = 12,348,695,807.62/127,523.36
  6. Step 6: Final answer
    x = 96,834.77

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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.