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Finding the Fourth Proportional to 372,534.51, 558,822.42 and 106,274.55

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Solution

The fourth proportional to 372,534.51, 558,822.42 and 106,274.55 is: 159,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,534.51 : 558,822.42 = 106,274.55 : x
  2. Step 2: Convert to fraction form
    372,534.51/558,822.42 = 106,274.55/x
  3. Step 3: Cross multiply
    372,534.51x = 558,822.42 × 106,274.55
  4. Step 4: Simplify right side
    372,534.51x = 59,388,601,215.41
  5. Step 5: Solve for x
    x = 59,388,601,215.41/372,534.51
  6. Step 6: Final answer
    x = 159,417.72

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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.