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Finding the Fourth Proportional to 192,005.70, 288,008.55 and 169,455.30

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Solution

The fourth proportional to 192,005.70, 288,008.55 and 169,455.30 is: 254,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,005.70 : 288,008.55 = 169,455.30 : x
  2. Step 2: Convert to fraction form
    192,005.70/288,008.55 = 169,455.30/x
  3. Step 3: Cross multiply
    192,005.70x = 288,008.55 × 169,455.30
  4. Step 4: Simplify right side
    192,005.70x = 48,804,575,242.82
  5. Step 5: Solve for x
    x = 48,804,575,242.82/192,005.70
  6. Step 6: Final answer
    x = 254,182.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.