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Finding the Fourth Proportional to 150,661.68, 225,716.96 and 70,552.64

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Solution

The fourth proportional to 150,661.68, 225,716.96 and 70,552.64 is: 105,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,661.68 : 225,716.96 = 70,552.64 : x
  2. Step 2: Convert to fraction form
    150,661.68/225,716.96 = 70,552.64/x
  3. Step 3: Cross multiply
    150,661.68x = 225,716.96 × 70,552.64
  4. Step 4: Simplify right side
    150,661.68x = 15,924,927,420.77
  5. Step 5: Solve for x
    x = 15,924,927,420.77/150,661.68
  6. Step 6: Final answer
    x = 105,699.92

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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.