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Finding the Fourth Proportional to 181,705.58, 272,614.08 and 93,021.92

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Solution

The fourth proportional to 181,705.58, 272,614.08 and 93,021.92 is: 139,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,705.58 : 272,614.08 = 93,021.92 : x
  2. Step 2: Convert to fraction form
    181,705.58/272,614.08 = 93,021.92/x
  3. Step 3: Cross multiply
    181,705.58x = 272,614.08 × 93,021.92
  4. Step 4: Simplify right side
    181,705.58x = 25,359,085,140.63
  5. Step 5: Solve for x
    x = 25,359,085,140.63/181,705.58
  6. Step 6: Final answer
    x = 139,561.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.