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Finding the Fourth Proportional to 372,059.50, 558,089.28 and 109,403.50

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Solution

The fourth proportional to 372,059.50, 558,089.28 and 109,403.50 is: 164,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,059.50 : 558,089.28 = 109,403.50 : x
  2. Step 2: Convert to fraction form
    372,059.50/558,089.28 = 109,403.50/x
  3. Step 3: Cross multiply
    372,059.50x = 558,089.28 × 109,403.50
  4. Step 4: Simplify right side
    372,059.50x = 61,056,920,544.48
  5. Step 5: Solve for x
    x = 61,056,920,544.48/372,059.50
  6. Step 6: Final answer
    x = 164,105.26

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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.