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Finding the Fourth Proportional to 104,570.69, 156,855.65 and 29,690.84

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Solution

The fourth proportional to 104,570.69, 156,855.65 and 29,690.84 is: 44,536.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,570.69 : 156,855.65 = 29,690.84 : x
  2. Step 2: Convert to fraction form
    104,570.69/156,855.65 = 29,690.84/x
  3. Step 3: Cross multiply
    104,570.69x = 156,855.65 × 29,690.84
  4. Step 4: Simplify right side
    104,570.69x = 4,657,175,074.51
  5. Step 5: Solve for x
    x = 4,657,175,074.51/104,570.69
  6. Step 6: Final answer
    x = 44,536.14

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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.