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Finding the Fourth Proportional to 167,472.80, 230,985.20 and 115,875.80

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Solution

The fourth proportional to 167,472.80, 230,985.20 and 115,875.80 is: 159,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,472.80 : 230,985.20 = 115,875.80 : x
  2. Step 2: Convert to fraction form
    167,472.80/230,985.20 = 115,875.80/x
  3. Step 3: Cross multiply
    167,472.80x = 230,985.20 × 115,875.80
  4. Step 4: Simplify right side
    167,472.80x = 26,765,594,838.16
  5. Step 5: Solve for x
    x = 26,765,594,838.16/167,472.80
  6. Step 6: Final answer
    x = 159,820.55

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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.