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Finding the Fourth Proportional to 97,260.60, 145,127.43 and 87,320.64

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Solution

The fourth proportional to 97,260.60, 145,127.43 and 87,320.64 is: 130,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,260.60 : 145,127.43 = 87,320.64 : x
  2. Step 2: Convert to fraction form
    97,260.60/145,127.43 = 87,320.64/x
  3. Step 3: Cross multiply
    97,260.60x = 145,127.43 × 87,320.64
  4. Step 4: Simplify right side
    97,260.60x = 12,672,620,069.16
  5. Step 5: Solve for x
    x = 12,672,620,069.16/97,260.60
  6. Step 6: Final answer
    x = 130,295.52

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