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Finding the Fourth Proportional to 160,108.30, 220,946.29 and 88,491.34

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Solution

The fourth proportional to 160,108.30, 220,946.29 and 88,491.34 is: 122,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,108.30 : 220,946.29 = 88,491.34 : x
  2. Step 2: Convert to fraction form
    160,108.30/220,946.29 = 88,491.34/x
  3. Step 3: Cross multiply
    160,108.30x = 220,946.29 × 88,491.34
  4. Step 4: Simplify right side
    160,108.30x = 19,551,833,270.13
  5. Step 5: Solve for x
    x = 19,551,833,270.13/160,108.30
  6. Step 6: Final answer
    x = 122,116.30

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1.5x scale

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.