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Finding the Fourth Proportional to 160,399.50, 221,400.59 and 92,461.89

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Solution

The fourth proportional to 160,399.50, 221,400.59 and 92,461.89 is: 127,625.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,399.50 : 221,400.59 = 92,461.89 : x
  2. Step 2: Convert to fraction form
    160,399.50/221,400.59 = 92,461.89/x
  3. Step 3: Cross multiply
    160,399.50x = 221,400.59 × 92,461.89
  4. Step 4: Simplify right side
    160,399.50x = 20,471,116,536.21
  5. Step 5: Solve for x
    x = 20,471,116,536.21/160,399.50
  6. Step 6: Final answer
    x = 127,625.81

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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.