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Finding the Fourth Proportional to 213,044.37, 319,566.16 and 124,235.59

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Solution

The fourth proportional to 213,044.37, 319,566.16 and 124,235.59 is: 186,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,044.37 : 319,566.16 = 124,235.59 : x
  2. Step 2: Convert to fraction form
    213,044.37/319,566.16 = 124,235.59/x
  3. Step 3: Cross multiply
    213,044.37x = 319,566.16 × 124,235.59
  4. Step 4: Simplify right side
    213,044.37x = 39,701,490,431.63
  5. Step 5: Solve for x
    x = 39,701,490,431.63/213,044.37
  6. Step 6: Final answer
    x = 186,353.15

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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.