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Finding the Fourth Proportional to 104,175, 143,780.94 and 59,463

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Solution

The fourth proportional to 104,175, 143,780.94 and 59,463 is: 82,070.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,175 : 143,780.94 = 59,463 : x
  2. Step 2: Convert to fraction form
    104,175/143,780.94 = 59,463/x
  3. Step 3: Cross multiply
    104,175x = 143,780.94 × 59,463
  4. Step 4: Simplify right side
    104,175x = 8,549,646,035.22
  5. Step 5: Solve for x
    x = 8,549,646,035.22/104,175
  6. Step 6: Final answer
    x = 82,070.04

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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.