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Finding the Fourth Proportional to 555,137, 832,728.54 and 161,153

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Solution

The fourth proportional to 555,137, 832,728.54 and 161,153 is: 241,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,137 : 832,728.54 = 161,153 : x
  2. Step 2: Convert to fraction form
    555,137/832,728.54 = 161,153/x
  3. Step 3: Cross multiply
    555,137x = 832,728.54 × 161,153
  4. Step 4: Simplify right side
    555,137x = 134,196,702,406.62
  5. Step 5: Solve for x
    x = 134,196,702,406.62/555,137
  6. Step 6: Final answer
    x = 241,736.19

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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.