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Finding the Fourth Proportional to 372,765, 559,160.46 and 123,440.52

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Solution

The fourth proportional to 372,765, 559,160.46 and 123,440.52 is: 185,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,765 : 559,160.46 = 123,440.52 : x
  2. Step 2: Convert to fraction form
    372,765/559,160.46 = 123,440.52/x
  3. Step 3: Cross multiply
    372,765x = 559,160.46 × 123,440.52
  4. Step 4: Simplify right side
    372,765x = 69,023,057,945.84
  5. Step 5: Solve for x
    x = 69,023,057,945.84/372,765
  6. Step 6: Final answer
    x = 185,165.07

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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.