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Finding the Fourth Proportional to 181,504.60, 272,038.20 and 92,712.40

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Solution

The fourth proportional to 181,504.60, 272,038.20 and 92,712.40 is: 138,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,504.60 : 272,038.20 = 92,712.40 : x
  2. Step 2: Convert to fraction form
    181,504.60/272,038.20 = 92,712.40/x
  3. Step 3: Cross multiply
    181,504.60x = 272,038.20 × 92,712.40
  4. Step 4: Simplify right side
    181,504.60x = 25,221,314,413.68
  5. Step 5: Solve for x
    x = 25,221,314,413.68/181,504.60
  6. Step 6: Final answer
    x = 138,956.89

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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.