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Finding the Fourth Proportional to 110,509.48, 152,503 and 60,208.48

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Solution

The fourth proportional to 110,509.48, 152,503 and 60,208.48 is: 83,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,509.48 : 152,503 = 60,208.48 : x
  2. Step 2: Convert to fraction form
    110,509.48/152,503 = 60,208.48/x
  3. Step 3: Cross multiply
    110,509.48x = 152,503 × 60,208.48
  4. Step 4: Simplify right side
    110,509.48x = 9,181,973,825.44
  5. Step 5: Solve for x
    x = 9,181,973,825.44/110,509.48
  6. Step 6: Final answer
    x = 83,087.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.