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Finding the Fourth Proportional to 150,866.86, 225,955.80 and 72,036.46

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Solution

The fourth proportional to 150,866.86, 225,955.80 and 72,036.46 is: 107,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,866.86 : 225,955.80 = 72,036.46 : x
  2. Step 2: Convert to fraction form
    150,866.86/225,955.80 = 72,036.46/x
  3. Step 3: Cross multiply
    150,866.86x = 225,955.80 × 72,036.46
  4. Step 4: Simplify right side
    150,866.86x = 16,277,055,948.47
  5. Step 5: Solve for x
    x = 16,277,055,948.47/150,866.86
  6. Step 6: Final answer
    x = 107,890.20

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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.