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Finding the Fourth Proportional to 101,339.36, 152,042.32 and 48,741.92

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Solution

The fourth proportional to 101,339.36, 152,042.32 and 48,741.92 is: 73,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,339.36 : 152,042.32 = 48,741.92 : x
  2. Step 2: Convert to fraction form
    101,339.36/152,042.32 = 48,741.92/x
  3. Step 3: Cross multiply
    101,339.36x = 152,042.32 × 48,741.92
  4. Step 4: Simplify right side
    101,339.36x = 7,410,834,598.05
  5. Step 5: Solve for x
    x = 7,410,834,598.05/101,339.36
  6. Step 6: Final answer
    x = 73,128.89

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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.