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Finding the Fourth Proportional to 74,889,912.60, 112,166,907.30 and 74,889,912.60

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Solution

The fourth proportional to 74,889,912.60, 112,166,907.30 and 74,889,912.60 is: 112,166,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,912.60 : 112,166,907.30 = 74,889,912.60 : x
  2. Step 2: Convert to fraction form
    74,889,912.60/112,166,907.30 = 74,889,912.60/x
  3. Step 3: Cross multiply
    74,889,912.60x = 112,166,907.30 × 74,889,912.60
  4. Step 4: Simplify right side
    74,889,912.60x = 8,400,169,884,309,301
  5. Step 5: Solve for x
    x = 8,400,169,884,309,301/74,889,912.60
  6. Step 6: Final answer
    x = 112,166,907.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.