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Finding the Fourth Proportional to 101,632.92, 152,424.78 and 42,436.44

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Solution

The fourth proportional to 101,632.92, 152,424.78 and 42,436.44 is: 63,644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,632.92 : 152,424.78 = 42,436.44 : x
  2. Step 2: Convert to fraction form
    101,632.92/152,424.78 = 42,436.44/x
  3. Step 3: Cross multiply
    101,632.92x = 152,424.78 × 42,436.44
  4. Step 4: Simplify right side
    101,632.92x = 6,468,365,030.98
  5. Step 5: Solve for x
    x = 6,468,365,030.98/101,632.92
  6. Step 6: Final answer
    x = 63,644.39

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1.5x scale

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.