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Finding the Fourth Proportional to 135,125.52, 186,473.48 and 75,509.52

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Solution

The fourth proportional to 135,125.52, 186,473.48 and 75,509.52 is: 104,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,125.52 : 186,473.48 = 75,509.52 : x
  2. Step 2: Convert to fraction form
    135,125.52/186,473.48 = 75,509.52/x
  3. Step 3: Cross multiply
    135,125.52x = 186,473.48 × 75,509.52
  4. Step 4: Simplify right side
    135,125.52x = 14,080,522,967.53
  5. Step 5: Solve for x
    x = 14,080,522,967.53/135,125.52
  6. Step 6: Final answer
    x = 104,203.28

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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.