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Finding the Fourth Proportional to 181,783.79, 272,731.37 and 93,099.59

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Solution

The fourth proportional to 181,783.79, 272,731.37 and 93,099.59 is: 139,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,783.79 : 272,731.37 = 93,099.59 : x
  2. Step 2: Convert to fraction form
    181,783.79/272,731.37 = 93,099.59/x
  3. Step 3: Cross multiply
    181,783.79x = 272,731.37 × 93,099.59
  4. Step 4: Simplify right side
    181,783.79x = 25,391,176,897.98
  5. Step 5: Solve for x
    x = 25,391,176,897.98/181,783.79
  6. Step 6: Final answer
    x = 139,677.90

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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.