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Finding the Fourth Proportional to 168,015.10, 252,022.65 and 62,820.40

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Solution

The fourth proportional to 168,015.10, 252,022.65 and 62,820.40 is: 94,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,015.10 : 252,022.65 = 62,820.40 : x
  2. Step 2: Convert to fraction form
    168,015.10/252,022.65 = 62,820.40/x
  3. Step 3: Cross multiply
    168,015.10x = 252,022.65 × 62,820.40
  4. Step 4: Simplify right side
    168,015.10x = 15,832,163,682.06
  5. Step 5: Solve for x
    x = 15,832,163,682.06/168,015.10
  6. Step 6: Final answer
    x = 94,230.60

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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.