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Finding the Fourth Proportional to 171,430.02, 236,581.16 and 95,978.52

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Solution

The fourth proportional to 171,430.02, 236,581.16 and 95,978.52 is: 132,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,430.02 : 236,581.16 = 95,978.52 : x
  2. Step 2: Convert to fraction form
    171,430.02/236,581.16 = 95,978.52/x
  3. Step 3: Cross multiply
    171,430.02x = 236,581.16 × 95,978.52
  4. Step 4: Simplify right side
    171,430.02x = 22,706,709,116.79
  5. Step 5: Solve for x
    x = 22,706,709,116.79/171,430.02
  6. Step 6: Final answer
    x = 132,454.68

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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.