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Finding the Fourth Proportional to 356,926.33, 535,438.91 and 120,336.67

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Solution

The fourth proportional to 356,926.33, 535,438.91 and 120,336.67 is: 180,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,926.33 : 535,438.91 = 120,336.67 : x
  2. Step 2: Convert to fraction form
    356,926.33/535,438.91 = 120,336.67/x
  3. Step 3: Cross multiply
    356,926.33x = 535,438.91 × 120,336.67
  4. Step 4: Simplify right side
    356,926.33x = 64,432,935,417.83
  5. Step 5: Solve for x
    x = 64,432,935,417.83/356,926.33
  6. Step 6: Final answer
    x = 180,521.67

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