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Finding the Fourth Proportional to 250,596.89, 345,802.31 and 141,695.89

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Solution

The fourth proportional to 250,596.89, 345,802.31 and 141,695.89 is: 195,528.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,596.89 : 345,802.31 = 141,695.89 : x
  2. Step 2: Convert to fraction form
    250,596.89/345,802.31 = 141,695.89/x
  3. Step 3: Cross multiply
    250,596.89x = 345,802.31 × 141,695.89
  4. Step 4: Simplify right side
    250,596.89x = 48,998,766,079.51
  5. Step 5: Solve for x
    x = 48,998,766,079.51/250,596.89
  6. Step 6: Final answer
    x = 195,528.23

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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.