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Finding the Fourth Proportional to 160,014.52, 220,828.26 and 88,393.96

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Solution

The fourth proportional to 160,014.52, 220,828.26 and 88,393.96 is: 121,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,014.52 : 220,828.26 = 88,393.96 : x
  2. Step 2: Convert to fraction form
    160,014.52/220,828.26 = 88,393.96/x
  3. Step 3: Cross multiply
    160,014.52x = 220,828.26 × 88,393.96
  4. Step 4: Simplify right side
    160,014.52x = 19,519,884,381.31
  5. Step 5: Solve for x
    x = 19,519,884,381.31/160,014.52
  6. Step 6: Final answer
    x = 121,988.21

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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.