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Finding the Fourth Proportional to 567,411.86, 851,129.94 and 168,060.80

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Solution

The fourth proportional to 567,411.86, 851,129.94 and 168,060.80 is: 252,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,411.86 : 851,129.94 = 168,060.80 : x
  2. Step 2: Convert to fraction form
    567,411.86/851,129.94 = 168,060.80/x
  3. Step 3: Cross multiply
    567,411.86x = 851,129.94 × 168,060.80
  4. Step 4: Simplify right side
    567,411.86x = 143,041,578,620.35
  5. Step 5: Solve for x
    x = 143,041,578,620.35/567,411.86
  6. Step 6: Final answer
    x = 252,094.80

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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.