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Finding the Fourth Proportional to 98,260,466.40, 147,390,699.60 and 75,585,650.40

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Solution

The fourth proportional to 98,260,466.40, 147,390,699.60 and 75,585,650.40 is: 113,378,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,260,466.40 : 147,390,699.60 = 75,585,650.40 : x
  2. Step 2: Convert to fraction form
    98,260,466.40/147,390,699.60 = 75,585,650.40/x
  3. Step 3: Cross multiply
    98,260,466.40x = 147,390,699.60 × 75,585,650.40
  4. Step 4: Simplify right side
    98,260,466.40x = 11,140,621,892,177,020
  5. Step 5: Solve for x
    x = 11,140,621,892,177,020/98,260,466.40
  6. Step 6: Final answer
    x = 113,378,475.60

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