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Finding the Fourth Proportional to 73,806,645.40, 110,709,968.10 and 35,458,912.60

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Solution

The fourth proportional to 73,806,645.40, 110,709,968.10 and 35,458,912.60 is: 53,188,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,806,645.40 : 110,709,968.10 = 35,458,912.60 : x
  2. Step 2: Convert to fraction form
    73,806,645.40/110,709,968.10 = 35,458,912.60/x
  3. Step 3: Cross multiply
    73,806,645.40x = 110,709,968.10 × 35,458,912.60
  4. Step 4: Simplify right side
    73,806,645.40x = 3,925,655,082,806,688
  5. Step 5: Solve for x
    x = 3,925,655,082,806,688/73,806,645.40
  6. Step 6: Final answer
    x = 53,188,368.90

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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.