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Finding the Fourth Proportional to 152,170.40, 228,255.60 and 73,265.60

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Solution

The fourth proportional to 152,170.40, 228,255.60 and 73,265.60 is: 109,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,170.40 : 228,255.60 = 73,265.60 : x
  2. Step 2: Convert to fraction form
    152,170.40/228,255.60 = 73,265.60/x
  3. Step 3: Cross multiply
    152,170.40x = 228,255.60 × 73,265.60
  4. Step 4: Simplify right side
    152,170.40x = 16,723,283,487.36
  5. Step 5: Solve for x
    x = 16,723,283,487.36/152,170.40
  6. Step 6: Final answer
    x = 109,898.40

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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.