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Finding the Fourth Proportional to 372,360.34, 558,628.20 and 106,124.68

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Solution

The fourth proportional to 372,360.34, 558,628.20 and 106,124.68 is: 159,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,360.34 : 558,628.20 = 106,124.68 : x
  2. Step 2: Convert to fraction form
    372,360.34/558,628.20 = 106,124.68/x
  3. Step 3: Cross multiply
    372,360.34x = 558,628.20 × 106,124.68
  4. Step 4: Simplify right side
    372,360.34x = 59,284,238,963.98
  5. Step 5: Solve for x
    x = 59,284,238,963.98/372,360.34
  6. Step 6: Final answer
    x = 159,212.01

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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.