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Finding the Fourth Proportional to 110,533.86, 152,539.20 and 65,222.88

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Solution

The fourth proportional to 110,533.86, 152,539.20 and 65,222.88 is: 90,009.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,533.86 : 152,539.20 = 65,222.88 : x
  2. Step 2: Convert to fraction form
    110,533.86/152,539.20 = 65,222.88/x
  3. Step 3: Cross multiply
    110,533.86x = 152,539.20 × 65,222.88
  4. Step 4: Simplify right side
    110,533.86x = 9,949,045,936.90
  5. Step 5: Solve for x
    x = 9,949,045,936.90/110,533.86
  6. Step 6: Final answer
    x = 90,009.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.