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Finding the Fourth Proportional to 168,015.60, 253,579.12 and 168,015.60

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Solution

The fourth proportional to 168,015.60, 253,579.12 and 168,015.60 is: 253,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,015.60 : 253,579.12 = 168,015.60 : x
  2. Step 2: Convert to fraction form
    168,015.60/253,579.12 = 168,015.60/x
  3. Step 3: Cross multiply
    168,015.60x = 253,579.12 × 168,015.60
  4. Step 4: Simplify right side
    168,015.60x = 42,605,247,994.27
  5. Step 5: Solve for x
    x = 42,605,247,994.27/168,015.60
  6. Step 6: Final answer
    x = 253,579.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.