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Finding the Fourth Proportional to 238,093.29, 328,567.82 and 130,665.15

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Solution

The fourth proportional to 238,093.29, 328,567.82 and 130,665.15 is: 180,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,093.29 : 328,567.82 = 130,665.15 : x
  2. Step 2: Convert to fraction form
    238,093.29/328,567.82 = 130,665.15/x
  3. Step 3: Cross multiply
    238,093.29x = 328,567.82 × 130,665.15
  4. Step 4: Simplify right side
    238,093.29x = 42,932,362,832.15
  5. Step 5: Solve for x
    x = 42,932,362,832.15/238,093.29
  6. Step 6: Final answer
    x = 180,317.40

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