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Finding the Fourth Proportional to 567,516.76, 851,278.22 and 168,161.00

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Solution

The fourth proportional to 567,516.76, 851,278.22 and 168,161.00 is: 252,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,516.76 : 851,278.22 = 168,161.00 : x
  2. Step 2: Convert to fraction form
    567,516.76/851,278.22 = 168,161.00/x
  3. Step 3: Cross multiply
    567,516.76x = 851,278.22 × 168,161.00
  4. Step 4: Simplify right side
    567,516.76x = 143,151,791,656.22
  5. Step 5: Solve for x
    x = 143,151,791,656.22/567,516.76
  6. Step 6: Final answer
    x = 252,242.40

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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.