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Finding the Fourth Proportional to 181,064.85, 249,891.61 and 104,583.86

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Solution

The fourth proportional to 181,064.85, 249,891.61 and 104,583.86 is: 144,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,064.85 : 249,891.61 = 104,583.86 : x
  2. Step 2: Convert to fraction form
    181,064.85/249,891.61 = 104,583.86/x
  3. Step 3: Cross multiply
    181,064.85x = 249,891.61 × 104,583.86
  4. Step 4: Simplify right side
    181,064.85x = 26,134,627,905.96
  5. Step 5: Solve for x
    x = 26,134,627,905.96/181,064.85
  6. Step 6: Final answer
    x = 144,338.50

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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.