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Finding the Fourth Proportional to 104,057, 143,598.66 and 56,310.35

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Solution

The fourth proportional to 104,057, 143,598.66 and 56,310.35 is: 77,708.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,057 : 143,598.66 = 56,310.35 : x
  2. Step 2: Convert to fraction form
    104,057/143,598.66 = 56,310.35/x
  3. Step 3: Cross multiply
    104,057x = 143,598.66 × 56,310.35
  4. Step 4: Simplify right side
    104,057x = 8,086,090,445.13
  5. Step 5: Solve for x
    x = 8,086,090,445.13/104,057
  6. Step 6: Final answer
    x = 77,708.28

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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.