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Finding the Fourth Proportional to 100,703.52, 151,059.12 and 37,539.36

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Solution

The fourth proportional to 100,703.52, 151,059.12 and 37,539.36 is: 56,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,703.52 : 151,059.12 = 37,539.36 : x
  2. Step 2: Convert to fraction form
    100,703.52/151,059.12 = 37,539.36/x
  3. Step 3: Cross multiply
    100,703.52x = 151,059.12 × 37,539.36
  4. Step 4: Simplify right side
    100,703.52x = 5,670,662,686.96
  5. Step 5: Solve for x
    x = 5,670,662,686.96/100,703.52
  6. Step 6: Final answer
    x = 56,310.47

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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.