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Finding the Fourth Proportional to 122,525.91, 183,625.34 and 65,482.88

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Solution

The fourth proportional to 122,525.91, 183,625.34 and 65,482.88 is: 98,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,525.91 : 183,625.34 = 65,482.88 : x
  2. Step 2: Convert to fraction form
    122,525.91/183,625.34 = 65,482.88/x
  3. Step 3: Cross multiply
    122,525.91x = 183,625.34 × 65,482.88
  4. Step 4: Simplify right side
    122,525.91x = 12,024,314,858.64
  5. Step 5: Solve for x
    x = 12,024,314,858.64/122,525.91
  6. Step 6: Final answer
    x = 98,136.92

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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.