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Finding the Fourth Proportional to 46,140,147.30, 69,210,220.95 and 46,140,147.30

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Solution

The fourth proportional to 46,140,147.30, 69,210,220.95 and 46,140,147.30 is: 69,210,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,140,147.30 : 69,210,220.95 = 46,140,147.30 : x
  2. Step 2: Convert to fraction form
    46,140,147.30/69,210,220.95 = 46,140,147.30/x
  3. Step 3: Cross multiply
    46,140,147.30x = 69,210,220.95 × 46,140,147.30
  4. Step 4: Simplify right side
    46,140,147.30x = 3,193,369,789,298,546
  5. Step 5: Solve for x
    x = 3,193,369,789,298,546/46,140,147.30
  6. Step 6: Final answer
    x = 69,210,220.95

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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.