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Finding the Fourth Proportional to 101,345.95, 152,035.32 and 42,183.94

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Solution

The fourth proportional to 101,345.95, 152,035.32 and 42,183.94 is: 63,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,345.95 : 152,035.32 = 42,183.94 : x
  2. Step 2: Convert to fraction form
    101,345.95/152,035.32 = 42,183.94/x
  3. Step 3: Cross multiply
    101,345.95x = 152,035.32 × 42,183.94
  4. Step 4: Simplify right side
    101,345.95x = 6,413,448,816.76
  5. Step 5: Solve for x
    x = 6,413,448,816.76/101,345.95
  6. Step 6: Final answer
    x = 63,282.73

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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.