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Finding the Fourth Proportional to 372,471, 558,794.07 and 123,153

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Solution

The fourth proportional to 372,471, 558,794.07 and 123,153 is: 184,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,471 : 558,794.07 = 123,153 : x
  2. Step 2: Convert to fraction form
    372,471/558,794.07 = 123,153/x
  3. Step 3: Cross multiply
    372,471x = 558,794.07 × 123,153
  4. Step 4: Simplify right side
    372,471x = 68,817,166,102.71
  5. Step 5: Solve for x
    x = 68,817,166,102.71/372,471
  6. Step 6: Final answer
    x = 184,758.45

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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.