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Finding the Fourth Proportional to 94,008, 141,017.76 and 28,344

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Solution

The fourth proportional to 94,008, 141,017.76 and 28,344 is: 42,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,008 : 141,017.76 = 28,344 : x
  2. Step 2: Convert to fraction form
    94,008/141,017.76 = 28,344/x
  3. Step 3: Cross multiply
    94,008x = 141,017.76 × 28,344
  4. Step 4: Simplify right side
    94,008x = 3,997,007,389.44
  5. Step 5: Solve for x
    x = 3,997,007,389.44/94,008
  6. Step 6: Final answer
    x = 42,517.74

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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.