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Finding the Fourth Proportional to 246,649.51, 369,984.59 and 78,166.14

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Solution

The fourth proportional to 246,649.51, 369,984.59 and 78,166.14 is: 117,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,649.51 : 369,984.59 = 78,166.14 : x
  2. Step 2: Convert to fraction form
    246,649.51/369,984.59 = 78,166.14/x
  3. Step 3: Cross multiply
    246,649.51x = 369,984.59 × 78,166.14
  4. Step 4: Simplify right side
    246,649.51x = 28,920,267,259.78
  5. Step 5: Solve for x
    x = 28,920,267,259.78/246,649.51
  6. Step 6: Final answer
    x = 117,252.48

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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.