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Finding the Fourth Proportional to 122,794.33, 183,972.36 and 66,598.59

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Solution

The fourth proportional to 122,794.33, 183,972.36 and 66,598.59 is: 99,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,794.33 : 183,972.36 = 66,598.59 : x
  2. Step 2: Convert to fraction form
    122,794.33/183,972.36 = 66,598.59/x
  3. Step 3: Cross multiply
    122,794.33x = 183,972.36 × 66,598.59
  4. Step 4: Simplify right side
    122,794.33x = 12,252,300,034.46
  5. Step 5: Solve for x
    x = 12,252,300,034.46/122,794.33
  6. Step 6: Final answer
    x = 99,779.04

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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.