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Finding the Fourth Proportional to 181,094.69, 249,898.17 and 100,515.88

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Solution

The fourth proportional to 181,094.69, 249,898.17 and 100,515.88 is: 138,704.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,094.69 : 249,898.17 = 100,515.88 : x
  2. Step 2: Convert to fraction form
    181,094.69/249,898.17 = 100,515.88/x
  3. Step 3: Cross multiply
    181,094.69x = 249,898.17 × 100,515.88
  4. Step 4: Simplify right side
    181,094.69x = 25,118,733,218.45
  5. Step 5: Solve for x
    x = 25,118,733,218.45/181,094.69
  6. Step 6: Final answer
    x = 138,704.97

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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.