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Finding the Fourth Proportional to 356,889.51, 492,521.31 and 195,751.35

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Solution

The fourth proportional to 356,889.51, 492,521.31 and 195,751.35 is: 270,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,889.51 : 492,521.31 = 195,751.35 : x
  2. Step 2: Convert to fraction form
    356,889.51/492,521.31 = 195,751.35/x
  3. Step 3: Cross multiply
    356,889.51x = 492,521.31 × 195,751.35
  4. Step 4: Simplify right side
    356,889.51x = 96,411,711,336.27
  5. Step 5: Solve for x
    x = 96,411,711,336.27/356,889.51
  6. Step 6: Final answer
    x = 270,144.42

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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.