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Finding the Fourth Proportional to 142,497.70, 196,648.77 and 88,804.42

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Solution

The fourth proportional to 142,497.70, 196,648.77 and 88,804.42 is: 122,551.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,497.70 : 196,648.77 = 88,804.42 : x
  2. Step 2: Convert to fraction form
    142,497.70/196,648.77 = 88,804.42/x
  3. Step 3: Cross multiply
    142,497.70x = 196,648.77 × 88,804.42
  4. Step 4: Simplify right side
    142,497.70x = 17,463,279,963.56
  5. Step 5: Solve for x
    x = 17,463,279,963.56/142,497.70
  6. Step 6: Final answer
    x = 122,551.31

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1.5x scale

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.