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Finding the Fourth Proportional to 60,363,907.80, 90,545,861.70 and 60,363,907.80

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Solution

The fourth proportional to 60,363,907.80, 90,545,861.70 and 60,363,907.80 is: 90,545,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,363,907.80 : 90,545,861.70 = 60,363,907.80 : x
  2. Step 2: Convert to fraction form
    60,363,907.80/90,545,861.70 = 60,363,907.80/x
  3. Step 3: Cross multiply
    60,363,907.80x = 90,545,861.70 × 60,363,907.80
  4. Step 4: Simplify right side
    60,363,907.80x = 5,465,702,047,330,351
  5. Step 5: Solve for x
    x = 5,465,702,047,330,351/60,363,907.80
  6. Step 6: Final answer
    x = 90,545,861.70

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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.