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Finding the Fourth Proportional to 181,911.60, 272,867.40 and 93,338.10

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Solution

The fourth proportional to 181,911.60, 272,867.40 and 93,338.10 is: 140,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,911.60 : 272,867.40 = 93,338.10 : x
  2. Step 2: Convert to fraction form
    181,911.60/272,867.40 = 93,338.10/x
  3. Step 3: Cross multiply
    181,911.60x = 272,867.40 × 93,338.10
  4. Step 4: Simplify right side
    181,911.60x = 25,468,924,667.94
  5. Step 5: Solve for x
    x = 25,468,924,667.94/181,911.60
  6. Step 6: Final answer
    x = 140,007.15

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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.