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Finding the Fourth Proportional to 253,682.70, 350,084.68 and 153,061.26

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Solution

The fourth proportional to 253,682.70, 350,084.68 and 153,061.26 is: 211,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,682.70 : 350,084.68 = 153,061.26 : x
  2. Step 2: Convert to fraction form
    253,682.70/350,084.68 = 153,061.26/x
  3. Step 3: Cross multiply
    253,682.70x = 350,084.68 × 153,061.26
  4. Step 4: Simplify right side
    253,682.70x = 53,584,402,227.50
  5. Step 5: Solve for x
    x = 53,584,402,227.50/253,682.70
  6. Step 6: Final answer
    x = 211,226.08

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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.