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Finding the Fourth Proportional to 160,111.17, 220,940.12 and 88,491.17

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Solution

The fourth proportional to 160,111.17, 220,940.12 and 88,491.17 is: 122,110.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,111.17 : 220,940.12 = 88,491.17 : x
  2. Step 2: Convert to fraction form
    160,111.17/220,940.12 = 88,491.17/x
  3. Step 3: Cross multiply
    160,111.17x = 220,940.12 × 88,491.17
  4. Step 4: Simplify right side
    160,111.17x = 19,551,250,492.32
  5. Step 5: Solve for x
    x = 19,551,250,492.32/160,111.17
  6. Step 6: Final answer
    x = 122,110.47

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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.