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Finding the Fourth Proportional to 104,690.60, 157,036.84 and 29,810.68

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Solution

The fourth proportional to 104,690.60, 157,036.84 and 29,810.68 is: 44,716.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,690.60 : 157,036.84 = 29,810.68 : x
  2. Step 2: Convert to fraction form
    104,690.60/157,036.84 = 29,810.68/x
  3. Step 3: Cross multiply
    104,690.60x = 157,036.84 × 29,810.68
  4. Step 4: Simplify right side
    104,690.60x = 4,681,374,985.45
  5. Step 5: Solve for x
    x = 4,681,374,985.45/104,690.60
  6. Step 6: Final answer
    x = 44,716.29

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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.