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Finding the Fourth Proportional to 160,385.40, 221,342.12 and 92,401.14

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Solution

The fourth proportional to 160,385.40, 221,342.12 and 92,401.14 is: 127,519.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,385.40 : 221,342.12 = 92,401.14 : x
  2. Step 2: Convert to fraction form
    160,385.40/221,342.12 = 92,401.14/x
  3. Step 3: Cross multiply
    160,385.40x = 221,342.12 × 92,401.14
  4. Step 4: Simplify right side
    160,385.40x = 20,452,264,218.02
  5. Step 5: Solve for x
    x = 20,452,264,218.02/160,385.40
  6. Step 6: Final answer
    x = 127,519.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.