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Finding the Fourth Proportional to 362,053.60, 543,077.70 and 109,333.60

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Solution

The fourth proportional to 362,053.60, 543,077.70 and 109,333.60 is: 163,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,053.60 : 543,077.70 = 109,333.60 : x
  2. Step 2: Convert to fraction form
    362,053.60/543,077.70 = 109,333.60/x
  3. Step 3: Cross multiply
    362,053.60x = 543,077.70 × 109,333.60
  4. Step 4: Simplify right side
    362,053.60x = 59,376,640,020.72
  5. Step 5: Solve for x
    x = 59,376,640,020.72/362,053.60
  6. Step 6: Final answer
    x = 163,999.58

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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.