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Finding the Fourth Proportional to 169,185.99, 253,502.13 and 102,423.77

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Solution

The fourth proportional to 169,185.99, 253,502.13 and 102,423.77 is: 153,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,185.99 : 253,502.13 = 102,423.77 : x
  2. Step 2: Convert to fraction form
    169,185.99/253,502.13 = 102,423.77/x
  3. Step 3: Cross multiply
    169,185.99x = 253,502.13 × 102,423.77
  4. Step 4: Simplify right side
    169,185.99x = 25,964,642,590.12
  5. Step 5: Solve for x
    x = 25,964,642,590.12/169,185.99
  6. Step 6: Final answer
    x = 153,468.04

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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.