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Finding the Fourth Proportional to 117,314.50, 175,969.94 and 28,567.86

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Solution

The fourth proportional to 117,314.50, 175,969.94 and 28,567.86 is: 42,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,314.50 : 175,969.94 = 28,567.86 : x
  2. Step 2: Convert to fraction form
    117,314.50/175,969.94 = 28,567.86/x
  3. Step 3: Cross multiply
    117,314.50x = 175,969.94 × 28,567.86
  4. Step 4: Simplify right side
    117,314.50x = 5,027,084,610.13
  5. Step 5: Solve for x
    x = 5,027,084,610.13/117,314.50
  6. Step 6: Final answer
    x = 42,851.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.