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Finding the Fourth Proportional to 317,069.94, 437,556.40 and 173,826.91

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Solution

The fourth proportional to 317,069.94, 437,556.40 and 173,826.91 is: 239,881.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,069.94 : 437,556.40 = 173,826.91 : x
  2. Step 2: Convert to fraction form
    317,069.94/437,556.40 = 173,826.91/x
  3. Step 3: Cross multiply
    317,069.94x = 437,556.40 × 173,826.91
  4. Step 4: Simplify right side
    317,069.94x = 76,059,076,962.72
  5. Step 5: Solve for x
    x = 76,059,076,962.72/317,069.94
  6. Step 6: Final answer
    x = 239,881.07

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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.