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Finding the Fourth Proportional to 150,670.78, 225,918.66 and 57,125.50

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Solution

The fourth proportional to 150,670.78, 225,918.66 and 57,125.50 is: 85,655.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,670.78 : 225,918.66 = 57,125.50 : x
  2. Step 2: Convert to fraction form
    150,670.78/225,918.66 = 57,125.50/x
  3. Step 3: Cross multiply
    150,670.78x = 225,918.66 × 57,125.50
  4. Step 4: Simplify right side
    150,670.78x = 12,905,716,411.83
  5. Step 5: Solve for x
    x = 12,905,716,411.83/150,670.78
  6. Step 6: Final answer
    x = 85,655.07

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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.