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Finding the Fourth Proportional to 152,626.75, 210,625.52 and 84,650.06

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Solution

The fourth proportional to 152,626.75, 210,625.52 and 84,650.06 is: 116,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,626.75 : 210,625.52 = 84,650.06 : x
  2. Step 2: Convert to fraction form
    152,626.75/210,625.52 = 84,650.06/x
  3. Step 3: Cross multiply
    152,626.75x = 210,625.52 × 84,650.06
  4. Step 4: Simplify right side
    152,626.75x = 17,829,463,008.84
  5. Step 5: Solve for x
    x = 17,829,463,008.84/152,626.75
  6. Step 6: Final answer
    x = 116,817.42

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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.