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Finding the Fourth Proportional to 181,093.01, 249,924.17 and 105,665.81

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Solution

The fourth proportional to 181,093.01, 249,924.17 and 105,665.81 is: 145,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,093.01 : 249,924.17 = 105,665.81 : x
  2. Step 2: Convert to fraction form
    181,093.01/249,924.17 = 105,665.81/x
  3. Step 3: Cross multiply
    181,093.01x = 249,924.17 × 105,665.81
  4. Step 4: Simplify right side
    181,093.01x = 26,408,439,333.30
  5. Step 5: Solve for x
    x = 26,408,439,333.30/181,093.01
  6. Step 6: Final answer
    x = 145,828.04

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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.