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Finding the Fourth Proportional to 160,518.99, 221,518.53 and 92,534.73

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Solution

The fourth proportional to 160,518.99, 221,518.53 and 92,534.73 is: 127,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,518.99 : 221,518.53 = 92,534.73 : x
  2. Step 2: Convert to fraction form
    160,518.99/221,518.53 = 92,534.73/x
  3. Step 3: Cross multiply
    160,518.99x = 221,518.53 × 92,534.73
  4. Step 4: Simplify right side
    160,518.99x = 20,498,157,363.55
  5. Step 5: Solve for x
    x = 20,498,157,363.55/160,518.99
  6. Step 6: Final answer
    x = 127,699.27

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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.