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Finding the Fourth Proportional to 195,487.75, 292,018.72 and 141,753.16

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Solution

The fourth proportional to 195,487.75, 292,018.72 and 141,753.16 is: 211,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,487.75 : 292,018.72 = 141,753.16 : x
  2. Step 2: Convert to fraction form
    195,487.75/292,018.72 = 141,753.16/x
  3. Step 3: Cross multiply
    195,487.75x = 292,018.72 × 141,753.16
  4. Step 4: Simplify right side
    195,487.75x = 41,394,574,879.06
  5. Step 5: Solve for x
    x = 41,394,574,879.06/195,487.75
  6. Step 6: Final answer
    x = 211,750.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.