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Finding the Fourth Proportional to 171,574.98, 236,782.17 and 98,950.85

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Solution

The fourth proportional to 171,574.98, 236,782.17 and 98,950.85 is: 136,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,574.98 : 236,782.17 = 98,950.85 : x
  2. Step 2: Convert to fraction form
    171,574.98/236,782.17 = 98,950.85/x
  3. Step 3: Cross multiply
    171,574.98x = 236,782.17 × 98,950.85
  4. Step 4: Simplify right side
    171,574.98x = 23,429,796,690.37
  5. Step 5: Solve for x
    x = 23,429,796,690.37/171,574.98
  6. Step 6: Final answer
    x = 136,557.19

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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.