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Finding the Fourth Proportional to 355,565.77, 533,349.16 and 145,203.71

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Solution

The fourth proportional to 355,565.77, 533,349.16 and 145,203.71 is: 217,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,565.77 : 533,349.16 = 145,203.71 : x
  2. Step 2: Convert to fraction form
    355,565.77/533,349.16 = 145,203.71/x
  3. Step 3: Cross multiply
    355,565.77x = 533,349.16 × 145,203.71
  4. Step 4: Simplify right side
    355,565.77x = 77,444,276,757.38
  5. Step 5: Solve for x
    x = 77,444,276,757.38/355,565.77
  6. Step 6: Final answer
    x = 217,805.77

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