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Finding the Fourth Proportional to 173,307.80, 260,048.10 and 98,485.40

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Solution

The fourth proportional to 173,307.80, 260,048.10 and 98,485.40 is: 147,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,307.80 : 260,048.10 = 98,485.40 : x
  2. Step 2: Convert to fraction form
    173,307.80/260,048.10 = 98,485.40/x
  3. Step 3: Cross multiply
    173,307.80x = 260,048.10 × 98,485.40
  4. Step 4: Simplify right side
    173,307.80x = 25,610,941,147.74
  5. Step 5: Solve for x
    x = 25,610,941,147.74/173,307.80
  6. Step 6: Final answer
    x = 147,777.20

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