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Finding the Fourth Proportional to 152,370.68, 228,703.44 and 73,540.40

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Solution

The fourth proportional to 152,370.68, 228,703.44 and 73,540.40 is: 110,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,370.68 : 228,703.44 = 73,540.40 : x
  2. Step 2: Convert to fraction form
    152,370.68/228,703.44 = 73,540.40/x
  3. Step 3: Cross multiply
    152,370.68x = 228,703.44 × 73,540.40
  4. Step 4: Simplify right side
    152,370.68x = 16,818,942,458.98
  5. Step 5: Solve for x
    x = 16,818,942,458.98/152,370.68
  6. Step 6: Final answer
    x = 110,381.75

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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.