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Finding the Fourth Proportional to 117,182.08, 175,773.12 and 28,434.16

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Solution

The fourth proportional to 117,182.08, 175,773.12 and 28,434.16 is: 42,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,182.08 : 175,773.12 = 28,434.16 : x
  2. Step 2: Convert to fraction form
    117,182.08/175,773.12 = 28,434.16/x
  3. Step 3: Cross multiply
    117,182.08x = 175,773.12 × 28,434.16
  4. Step 4: Simplify right side
    117,182.08x = 4,997,961,017.78
  5. Step 5: Solve for x
    x = 4,997,961,017.78/117,182.08
  6. Step 6: Final answer
    x = 42,651.24

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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.