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Finding the Fourth Proportional to 104,109.39, 143,671.30 and 56,362.93

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Solution

The fourth proportional to 104,109.39, 143,671.30 and 56,362.93 is: 77,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,109.39 : 143,671.30 = 56,362.93 : x
  2. Step 2: Convert to fraction form
    104,109.39/143,671.30 = 56,362.93/x
  3. Step 3: Cross multiply
    104,109.39x = 143,671.30 × 56,362.93
  4. Step 4: Simplify right side
    104,109.39x = 8,097,734,924.82
  5. Step 5: Solve for x
    x = 8,097,734,924.82/104,109.39
  6. Step 6: Final answer
    x = 77,781.02

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