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Finding the Fourth Proportional to 169,997.60, 254,996.40 and 102,346.40

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Solution

The fourth proportional to 169,997.60, 254,996.40 and 102,346.40 is: 153,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,997.60 : 254,996.40 = 102,346.40 : x
  2. Step 2: Convert to fraction form
    169,997.60/254,996.40 = 102,346.40/x
  3. Step 3: Cross multiply
    169,997.60x = 254,996.40 × 102,346.40
  4. Step 4: Simplify right side
    169,997.60x = 26,097,963,552.96
  5. Step 5: Solve for x
    x = 26,097,963,552.96/169,997.60
  6. Step 6: Final answer
    x = 153,519.60

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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.