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Finding the Fourth Proportional to 101,831.68, 152,710.08 and 35,254.72

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Solution

The fourth proportional to 101,831.68, 152,710.08 and 35,254.72 is: 52,869.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,831.68 : 152,710.08 = 35,254.72 : x
  2. Step 2: Convert to fraction form
    101,831.68/152,710.08 = 35,254.72/x
  3. Step 3: Cross multiply
    101,831.68x = 152,710.08 × 35,254.72
  4. Step 4: Simplify right side
    101,831.68x = 5,383,751,111.58
  5. Step 5: Solve for x
    x = 5,383,751,111.58/101,831.68
  6. Step 6: Final answer
    x = 52,869.12

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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.