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Finding the Fourth Proportional to 181,151.94, 249,996.87 and 104,668.50

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Solution

The fourth proportional to 181,151.94, 249,996.87 and 104,668.50 is: 144,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,151.94 : 249,996.87 = 104,668.50 : x
  2. Step 2: Convert to fraction form
    181,151.94/249,996.87 = 104,668.50/x
  3. Step 3: Cross multiply
    181,151.94x = 249,996.87 × 104,668.50
  4. Step 4: Simplify right side
    181,151.94x = 26,166,797,387.60
  5. Step 5: Solve for x
    x = 26,166,797,387.60/181,151.94
  6. Step 6: Final answer
    x = 144,446.69

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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.