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Finding the Fourth Proportional to 243,579.24, 365,119.71 and 123,413.58

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Solution

The fourth proportional to 243,579.24, 365,119.71 and 123,413.58 is: 184,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,579.24 : 365,119.71 = 123,413.58 : x
  2. Step 2: Convert to fraction form
    243,579.24/365,119.71 = 123,413.58/x
  3. Step 3: Cross multiply
    243,579.24x = 365,119.71 × 123,413.58
  4. Step 4: Simplify right side
    243,579.24x = 45,060,730,539.66
  5. Step 5: Solve for x
    x = 45,060,730,539.66/243,579.24
  6. Step 6: Final answer
    x = 184,994.13

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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.