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Finding the Fourth Proportional to 317,068.76, 437,530.61 and 181,083.94

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Solution

The fourth proportional to 317,068.76, 437,530.61 and 181,083.94 is: 249,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,068.76 : 437,530.61 = 181,083.94 : x
  2. Step 2: Convert to fraction form
    317,068.76/437,530.61 = 181,083.94/x
  3. Step 3: Cross multiply
    317,068.76x = 437,530.61 × 181,083.94
  4. Step 4: Simplify right side
    317,068.76x = 79,229,763,636.33
  5. Step 5: Solve for x
    x = 79,229,763,636.33/317,068.76
  6. Step 6: Final answer
    x = 249,881.96

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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.