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Finding the Fourth Proportional to 101,345.80, 151,821.84 and 48,792.16

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Solution

The fourth proportional to 101,345.80, 151,821.84 and 48,792.16 is: 73,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,345.80 : 151,821.84 = 48,792.16 : x
  2. Step 2: Convert to fraction form
    101,345.80/151,821.84 = 48,792.16/x
  3. Step 3: Cross multiply
    101,345.80x = 151,821.84 × 48,792.16
  4. Step 4: Simplify right side
    101,345.80x = 7,407,715,508.77
  5. Step 5: Solve for x
    x = 7,407,715,508.77/101,345.80
  6. Step 6: Final answer
    x = 73,093.46

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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.