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Finding the Fourth Proportional to 243,630.27, 365,484.83 and 75,111.19

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Solution

The fourth proportional to 243,630.27, 365,484.83 and 75,111.19 is: 112,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,630.27 : 365,484.83 = 75,111.19 : x
  2. Step 2: Convert to fraction form
    243,630.27/365,484.83 = 75,111.19/x
  3. Step 3: Cross multiply
    243,630.27x = 365,484.83 × 75,111.19
  4. Step 4: Simplify right side
    243,630.27x = 27,451,999,218.98
  5. Step 5: Solve for x
    x = 27,451,999,218.98/243,630.27
  6. Step 6: Final answer
    x = 112,678.93

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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.