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Finding the Fourth Proportional to 101,866.56, 152,831.13 and 48,626.48

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Solution

The fourth proportional to 101,866.56, 152,831.13 and 48,626.48 is: 72,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,866.56 : 152,831.13 = 48,626.48 : x
  2. Step 2: Convert to fraction form
    101,866.56/152,831.13 = 48,626.48/x
  3. Step 3: Cross multiply
    101,866.56x = 152,831.13 × 48,626.48
  4. Step 4: Simplify right side
    101,866.56x = 7,431,639,886.32
  5. Step 5: Solve for x
    x = 7,431,639,886.32/101,866.56
  6. Step 6: Final answer
    x = 72,954.66

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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.