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Finding the Fourth Proportional to 168,362.19, 252,458.78 and 56,002.77

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Solution

The fourth proportional to 168,362.19, 252,458.78 and 56,002.77 is: 83,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,362.19 : 252,458.78 = 56,002.77 : x
  2. Step 2: Convert to fraction form
    168,362.19/252,458.78 = 56,002.77/x
  3. Step 3: Cross multiply
    168,362.19x = 252,458.78 × 56,002.77
  4. Step 4: Simplify right side
    168,362.19x = 14,138,390,710.81
  5. Step 5: Solve for x
    x = 14,138,390,710.81/168,362.19
  6. Step 6: Final answer
    x = 83,976.04

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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.