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Finding the Fourth Proportional to 368,582.48, 552,872.76 and 147,122

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Solution

The fourth proportional to 368,582.48, 552,872.76 and 147,122 is: 220,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,582.48 : 552,872.76 = 147,122 : x
  2. Step 2: Convert to fraction form
    368,582.48/552,872.76 = 147,122/x
  3. Step 3: Cross multiply
    368,582.48x = 552,872.76 × 147,122
  4. Step 4: Simplify right side
    368,582.48x = 81,339,746,196.72
  5. Step 5: Solve for x
    x = 81,339,746,196.72/368,582.48
  6. Step 6: Final answer
    x = 220,682.62

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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.