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Finding the Fourth Proportional to 372,970.26, 559,376.04 and 106,659.27

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Solution

The fourth proportional to 372,970.26, 559,376.04 and 106,659.27 is: 159,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,970.26 : 559,376.04 = 106,659.27 : x
  2. Step 2: Convert to fraction form
    372,970.26/559,376.04 = 106,659.27/x
  3. Step 3: Cross multiply
    372,970.26x = 559,376.04 × 106,659.27
  4. Step 4: Simplify right side
    372,970.26x = 59,662,640,081.89
  5. Step 5: Solve for x
    x = 59,662,640,081.89/372,970.26
  6. Step 6: Final answer
    x = 159,966.21

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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.