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Finding the Fourth Proportional to 101,033.78, 151,552.04 and 48,430.96

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Solution

The fourth proportional to 101,033.78, 151,552.04 and 48,430.96 is: 72,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,033.78 : 151,552.04 = 48,430.96 : x
  2. Step 2: Convert to fraction form
    101,033.78/151,552.04 = 48,430.96/x
  3. Step 3: Cross multiply
    101,033.78x = 151,552.04 × 48,430.96
  4. Step 4: Simplify right side
    101,033.78x = 7,339,811,154.82
  5. Step 5: Solve for x
    x = 7,339,811,154.82/101,033.78
  6. Step 6: Final answer
    x = 72,647.10

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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.