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Finding the Fourth Proportional to 372,586.95, 558,712.35 and 106,284.06

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Solution

The fourth proportional to 372,586.95, 558,712.35 and 106,284.06 is: 159,378.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,586.95 : 558,712.35 = 106,284.06 : x
  2. Step 2: Convert to fraction form
    372,586.95/558,712.35 = 106,284.06/x
  3. Step 3: Cross multiply
    372,586.95x = 558,712.35 × 106,284.06
  4. Step 4: Simplify right side
    372,586.95x = 59,382,216,930.14
  5. Step 5: Solve for x
    x = 59,382,216,930.14/372,586.95
  6. Step 6: Final answer
    x = 159,378.14

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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.