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Finding the Fourth Proportional to 317,068.86, 437,558.60 and 181,120.80

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Solution

The fourth proportional to 317,068.86, 437,558.60 and 181,120.80 is: 249,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,068.86 : 437,558.60 = 181,120.80 : x
  2. Step 2: Convert to fraction form
    317,068.86/437,558.60 = 181,120.80/x
  3. Step 3: Cross multiply
    317,068.86x = 437,558.60 × 181,120.80
  4. Step 4: Simplify right side
    317,068.86x = 79,250,963,678.88
  5. Step 5: Solve for x
    x = 79,250,963,678.88/317,068.86
  6. Step 6: Final answer
    x = 249,948.75

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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.