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Finding the Fourth Proportional to 233,678.87, 350,518.30 and 56,185.87

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Solution

The fourth proportional to 233,678.87, 350,518.30 and 56,185.87 is: 84,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,678.87 : 350,518.30 = 56,185.87 : x
  2. Step 2: Convert to fraction form
    233,678.87/350,518.30 = 56,185.87/x
  3. Step 3: Cross multiply
    233,678.87x = 350,518.30 × 56,185.87
  4. Step 4: Simplify right side
    233,678.87x = 19,694,175,636.42
  5. Step 5: Solve for x
    x = 19,694,175,636.42/233,678.87
  6. Step 6: Final answer
    x = 84,278.80

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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.