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Finding the Fourth Proportional to 181,274.71, 250,226.47 and 155,678.29

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Solution

The fourth proportional to 181,274.71, 250,226.47 and 155,678.29 is: 214,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,274.71 : 250,226.47 = 155,678.29 : x
  2. Step 2: Convert to fraction form
    181,274.71/250,226.47 = 155,678.29/x
  3. Step 3: Cross multiply
    181,274.71x = 250,226.47 × 155,678.29
  4. Step 4: Simplify right side
    181,274.71x = 38,954,828,962.34
  5. Step 5: Solve for x
    x = 38,954,828,962.34/181,274.71
  6. Step 6: Final answer
    x = 214,893.90

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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.