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Finding the Fourth Proportional to 168,368.64, 252,509.28 and 50,013.12

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Solution

The fourth proportional to 168,368.64, 252,509.28 and 50,013.12 is: 75,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,368.64 : 252,509.28 = 50,013.12 : x
  2. Step 2: Convert to fraction form
    168,368.64/252,509.28 = 50,013.12/x
  3. Step 3: Cross multiply
    168,368.64x = 252,509.28 × 50,013.12
  4. Step 4: Simplify right side
    168,368.64x = 12,628,776,921.75
  5. Step 5: Solve for x
    x = 12,628,776,921.75/168,368.64
  6. Step 6: Final answer
    x = 75,006.71

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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.