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Finding the Fourth Proportional to 243,788.03, 365,682.04 and 155,433.23

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Solution

The fourth proportional to 243,788.03, 365,682.04 and 155,433.23 is: 233,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,788.03 : 365,682.04 = 155,433.23 : x
  2. Step 2: Convert to fraction form
    243,788.03/365,682.04 = 155,433.23/x
  3. Step 3: Cross multiply
    243,788.03x = 365,682.04 × 155,433.23
  4. Step 4: Simplify right side
    243,788.03x = 56,839,138,413.20
  5. Step 5: Solve for x
    x = 56,839,138,413.20/243,788.03
  6. Step 6: Final answer
    x = 233,149.84

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1.5x scale

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.