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Finding the Fourth Proportional to 169,477.90, 233,879.40 and 92,997.46

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Solution

The fourth proportional to 169,477.90, 233,879.40 and 92,997.46 is: 128,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,477.90 : 233,879.40 = 92,997.46 : x
  2. Step 2: Convert to fraction form
    169,477.90/233,879.40 = 92,997.46/x
  3. Step 3: Cross multiply
    169,477.90x = 233,879.40 × 92,997.46
  4. Step 4: Simplify right side
    169,477.90x = 21,750,190,146.32
  5. Step 5: Solve for x
    x = 21,750,190,146.32/169,477.90
  6. Step 6: Final answer
    x = 128,336.44

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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.