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Finding the Fourth Proportional to 145,085.52, 217,586.08 and 60,843.44

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Solution

The fourth proportional to 145,085.52, 217,586.08 and 60,843.44 is: 91,247.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,085.52 : 217,586.08 = 60,843.44 : x
  2. Step 2: Convert to fraction form
    145,085.52/217,586.08 = 60,843.44/x
  3. Step 3: Cross multiply
    145,085.52x = 217,586.08 × 60,843.44
  4. Step 4: Simplify right side
    145,085.52x = 13,238,685,603.32
  5. Step 5: Solve for x
    x = 13,238,685,603.32/145,085.52
  6. Step 6: Final answer
    x = 91,247.46

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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.