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Finding the Fourth Proportional to 261,288.61, 360,655.01 and 170,658.43

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Solution

The fourth proportional to 261,288.61, 360,655.01 and 170,658.43 is: 235,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,288.61 : 360,655.01 = 170,658.43 : x
  2. Step 2: Convert to fraction form
    261,288.61/360,655.01 = 170,658.43/x
  3. Step 3: Cross multiply
    261,288.61x = 360,655.01 × 170,658.43
  4. Step 4: Simplify right side
    261,288.61x = 61,548,817,778.23
  5. Step 5: Solve for x
    x = 61,548,817,778.23/261,288.61
  6. Step 6: Final answer
    x = 235,558.75

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