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Finding the Fourth Proportional to 168,009.36, 252,018.36 and 48,084

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Solution

The fourth proportional to 168,009.36, 252,018.36 and 48,084 is: 72,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,009.36 : 252,018.36 = 48,084 : x
  2. Step 2: Convert to fraction form
    168,009.36/252,018.36 = 48,084/x
  3. Step 3: Cross multiply
    168,009.36x = 252,018.36 × 48,084
  4. Step 4: Simplify right side
    168,009.36x = 12,118,050,822.24
  5. Step 5: Solve for x
    x = 12,118,050,822.24/168,009.36
  6. Step 6: Final answer
    x = 72,127.24

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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.