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Finding the Fourth Proportional to 89,699,610.60, 125,664,485.40 and 89,699,610.60

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Solution

The fourth proportional to 89,699,610.60, 125,664,485.40 and 89,699,610.60 is: 125,664,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,699,610.60 : 125,664,485.40 = 89,699,610.60 : x
  2. Step 2: Convert to fraction form
    89,699,610.60/125,664,485.40 = 89,699,610.60/x
  3. Step 3: Cross multiply
    89,699,610.60x = 125,664,485.40 × 89,699,610.60
  4. Step 4: Simplify right side
    89,699,610.60x = 11,272,055,406,629,386
  5. Step 5: Solve for x
    x = 11,272,055,406,629,386/89,699,610.60
  6. Step 6: Final answer
    x = 125,664,485.40

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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.