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Finding the Fourth Proportional to 258,851.37, 357,264.43 and 156,932.38

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Solution

The fourth proportional to 258,851.37, 357,264.43 and 156,932.38 is: 216,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,851.37 : 357,264.43 = 156,932.38 : x
  2. Step 2: Convert to fraction form
    258,851.37/357,264.43 = 156,932.38/x
  3. Step 3: Cross multiply
    258,851.37x = 357,264.43 × 156,932.38
  4. Step 4: Simplify right side
    258,851.37x = 56,066,357,289.24
  5. Step 5: Solve for x
    x = 56,066,357,289.24/258,851.37
  6. Step 6: Final answer
    x = 216,596.72

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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.