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Finding the Fourth Proportional to 152,363.30, 228,581.40 and 73,412.60

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Solution

The fourth proportional to 152,363.30, 228,581.40 and 73,412.60 is: 110,136.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,363.30 : 228,581.40 = 73,412.60 : x
  2. Step 2: Convert to fraction form
    152,363.30/228,581.40 = 73,412.60/x
  3. Step 3: Cross multiply
    152,363.30x = 228,581.40 × 73,412.60
  4. Step 4: Simplify right side
    152,363.30x = 16,780,754,885.64
  5. Step 5: Solve for x
    x = 16,780,754,885.64/152,363.30
  6. Step 6: Final answer
    x = 110,136.46

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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.