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Finding the Fourth Proportional to 152,532.40, 228,733.80 and 73,670.80

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Solution

The fourth proportional to 152,532.40, 228,733.80 and 73,670.80 is: 110,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,532.40 : 228,733.80 = 73,670.80 : x
  2. Step 2: Convert to fraction form
    152,532.40/228,733.80 = 73,670.80/x
  3. Step 3: Cross multiply
    152,532.40x = 228,733.80 × 73,670.80
  4. Step 4: Simplify right side
    152,532.40x = 16,851,002,033.04
  5. Step 5: Solve for x
    x = 16,851,002,033.04/152,532.40
  6. Step 6: Final answer
    x = 110,474.90

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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.