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Finding the Fourth Proportional to 235,559.52, 325,178.28 and 155,029.32

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Solution

The fourth proportional to 235,559.52, 325,178.28 and 155,029.32 is: 214,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,559.52 : 325,178.28 = 155,029.32 : x
  2. Step 2: Convert to fraction form
    235,559.52/325,178.28 = 155,029.32/x
  3. Step 3: Cross multiply
    235,559.52x = 325,178.28 × 155,029.32
  4. Step 4: Simplify right side
    235,559.52x = 50,412,167,627.17
  5. Step 5: Solve for x
    x = 50,412,167,627.17/235,559.52
  6. Step 6: Final answer
    x = 214,010.32

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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.