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Finding the Fourth Proportional to 372,362.34, 558,631.20 and 106,126.68

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Solution

The fourth proportional to 372,362.34, 558,631.20 and 106,126.68 is: 159,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,362.34 : 558,631.20 = 106,126.68 : x
  2. Step 2: Convert to fraction form
    372,362.34/558,631.20 = 106,126.68/x
  3. Step 3: Cross multiply
    372,362.34x = 558,631.20 × 106,126.68
  4. Step 4: Simplify right side
    372,362.34x = 59,285,674,600.42
  5. Step 5: Solve for x
    x = 59,285,674,600.42/372,362.34
  6. Step 6: Final answer
    x = 159,215.01

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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.