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Finding the Fourth Proportional to 237,892.88, 328,268.52 and 137,323.28

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Solution

The fourth proportional to 237,892.88, 328,268.52 and 137,323.28 is: 189,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,892.88 : 328,268.52 = 137,323.28 : x
  2. Step 2: Convert to fraction form
    237,892.88/328,268.52 = 137,323.28/x
  3. Step 3: Cross multiply
    237,892.88x = 328,268.52 × 137,323.28
  4. Step 4: Simplify right side
    237,892.88x = 45,078,909,887.15
  5. Step 5: Solve for x
    x = 45,078,909,887.15/237,892.88
  6. Step 6: Final answer
    x = 189,492.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.