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Finding the Fourth Proportional to 372,922.60, 559,048.02 and 136,099.12

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Solution

The fourth proportional to 372,922.60, 559,048.02 and 136,099.12 is: 204,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,922.60 : 559,048.02 = 136,099.12 : x
  2. Step 2: Convert to fraction form
    372,922.60/559,048.02 = 136,099.12/x
  3. Step 3: Cross multiply
    372,922.60x = 559,048.02 × 136,099.12
  4. Step 4: Simplify right side
    372,922.60x = 76,085,943,559.74
  5. Step 5: Solve for x
    x = 76,085,943,559.74/372,922.60
  6. Step 6: Final answer
    x = 204,026.10

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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.