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Finding the Fourth Proportional to 233,910.80, 350,865.89 and 56,417.84

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Solution

The fourth proportional to 233,910.80, 350,865.89 and 56,417.84 is: 84,626.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,910.80 : 350,865.89 = 56,417.84 : x
  2. Step 2: Convert to fraction form
    233,910.80/350,865.89 = 56,417.84/x
  3. Step 3: Cross multiply
    233,910.80x = 350,865.89 × 56,417.84
  4. Step 4: Simplify right side
    233,910.80x = 19,795,095,643.48
  5. Step 5: Solve for x
    x = 19,795,095,643.48/233,910.80
  6. Step 6: Final answer
    x = 84,626.69

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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.