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Finding the Fourth Proportional to 525,911.12, 788,866.64 and 126,551.93

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Solution

The fourth proportional to 525,911.12, 788,866.64 and 126,551.93 is: 189,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,911.12 : 788,866.64 = 126,551.93 : x
  2. Step 2: Convert to fraction form
    525,911.12/788,866.64 = 126,551.93/x
  3. Step 3: Cross multiply
    525,911.12x = 788,866.64 × 126,551.93
  4. Step 4: Simplify right side
    525,911.12x = 99,832,597,107.08
  5. Step 5: Solve for x
    x = 99,832,597,107.08/525,911.12
  6. Step 6: Final answer
    x = 189,827.89

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