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Finding the Fourth Proportional to 70,053.79, 105,111.49 and 36,766.05

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Solution

The fourth proportional to 70,053.79, 105,111.49 and 36,766.05 is: 55,165.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,053.79 : 105,111.49 = 36,766.05 : x
  2. Step 2: Convert to fraction form
    70,053.79/105,111.49 = 36,766.05/x
  3. Step 3: Cross multiply
    70,053.79x = 105,111.49 × 36,766.05
  4. Step 4: Simplify right side
    70,053.79x = 3,864,534,296.91
  5. Step 5: Solve for x
    x = 3,864,534,296.91/70,053.79
  6. Step 6: Final answer
    x = 55,165.24

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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.