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Finding the Fourth Proportional to 243,365.80, 365,826.30 and 173,727.40

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Solution

The fourth proportional to 243,365.80, 365,826.30 and 173,727.40 is: 261,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,365.80 : 365,826.30 = 173,727.40 : x
  2. Step 2: Convert to fraction form
    243,365.80/365,826.30 = 173,727.40/x
  3. Step 3: Cross multiply
    243,365.80x = 365,826.30 × 173,727.40
  4. Step 4: Simplify right side
    243,365.80x = 63,554,051,950.62
  5. Step 5: Solve for x
    x = 63,554,051,950.62/243,365.80
  6. Step 6: Final answer
    x = 261,146.19

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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.