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Finding the Fourth Proportional to 104,343,912.40, 145,890,158.60 and 104,343,912.40

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Solution

The fourth proportional to 104,343,912.40, 145,890,158.60 and 104,343,912.40 is: 145,890,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,343,912.40 : 145,890,158.60 = 104,343,912.40 : x
  2. Step 2: Convert to fraction form
    104,343,912.40/145,890,158.60 = 104,343,912.40/x
  3. Step 3: Cross multiply
    104,343,912.40x = 145,890,158.60 × 104,343,912.40
  4. Step 4: Simplify right side
    104,343,912.40x = 15,222,749,928,980,506
  5. Step 5: Solve for x
    x = 15,222,749,928,980,506/104,343,912.40
  6. Step 6: Final answer
    x = 145,890,158.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.