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Finding the Fourth Proportional to 352,986.54, 529,182.41 and 153,156.57

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Solution

The fourth proportional to 352,986.54, 529,182.41 and 153,156.57 is: 229,605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,986.54 : 529,182.41 = 153,156.57 : x
  2. Step 2: Convert to fraction form
    352,986.54/529,182.41 = 153,156.57/x
  3. Step 3: Cross multiply
    352,986.54x = 529,182.41 × 153,156.57
  4. Step 4: Simplify right side
    352,986.54x = 81,047,762,054.15
  5. Step 5: Solve for x
    x = 81,047,762,054.15/352,986.54
  6. Step 6: Final answer
    x = 229,605.81

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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.