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Finding the Fourth Proportional to 201,485,811.60, 301,880,352.60 and 93,559,078.80

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Solution

The fourth proportional to 201,485,811.60, 301,880,352.60 and 93,559,078.80 is: 140,176,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,485,811.60 : 301,880,352.60 = 93,559,078.80 : x
  2. Step 2: Convert to fraction form
    201,485,811.60/301,880,352.60 = 93,559,078.80/x
  3. Step 3: Cross multiply
    201,485,811.60x = 301,880,352.60 × 93,559,078.80
  4. Step 4: Simplify right side
    201,485,811.60x = 28,243,647,697,075,188
  5. Step 5: Solve for x
    x = 28,243,647,697,075,188/201,485,811.60
  6. Step 6: Final answer
    x = 140,176,856.49

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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.