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Finding the Fourth Proportional to 104,060.13, 143,604 and 56,314.47

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Solution

The fourth proportional to 104,060.13, 143,604 and 56,314.47 is: 77,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,060.13 : 143,604 = 56,314.47 : x
  2. Step 2: Convert to fraction form
    104,060.13/143,604 = 56,314.47/x
  3. Step 3: Cross multiply
    104,060.13x = 143,604 × 56,314.47
  4. Step 4: Simplify right side
    104,060.13x = 8,086,983,149.88
  5. Step 5: Solve for x
    x = 8,086,983,149.88/104,060.13
  6. Step 6: Final answer
    x = 77,714.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.