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Finding the Fourth Proportional to 175,280.56, 262,929.30 and 48,920.56

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Solution

The fourth proportional to 175,280.56, 262,929.30 and 48,920.56 is: 73,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,280.56 : 262,929.30 = 48,920.56 : x
  2. Step 2: Convert to fraction form
    175,280.56/262,929.30 = 48,920.56/x
  3. Step 3: Cross multiply
    175,280.56x = 262,929.30 × 48,920.56
  4. Step 4: Simplify right side
    175,280.56x = 12,862,648,596.41
  5. Step 5: Solve for x
    x = 12,862,648,596.41/175,280.56
  6. Step 6: Final answer
    x = 73,383.20

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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.