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Finding the Fourth Proportional to 117,093.60, 175,295.34 and 72,577.08

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Solution

The fourth proportional to 117,093.60, 175,295.34 and 72,577.08 is: 108,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,093.60 : 175,295.34 = 72,577.08 : x
  2. Step 2: Convert to fraction form
    117,093.60/175,295.34 = 72,577.08/x
  3. Step 3: Cross multiply
    117,093.60x = 175,295.34 × 72,577.08
  4. Step 4: Simplify right side
    117,093.60x = 12,722,423,914.81
  5. Step 5: Solve for x
    x = 12,722,423,914.81/117,093.60
  6. Step 6: Final answer
    x = 108,651.74

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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.