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Finding the Fourth Proportional to 46,375,628.80, 69,563,443.20 and 46,375,628.80

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Solution

The fourth proportional to 46,375,628.80, 69,563,443.20 and 46,375,628.80 is: 69,563,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,375,628.80 : 69,563,443.20 = 46,375,628.80 : x
  2. Step 2: Convert to fraction form
    46,375,628.80/69,563,443.20 = 46,375,628.80/x
  3. Step 3: Cross multiply
    46,375,628.80x = 69,563,443.20 × 46,375,628.80
  4. Step 4: Simplify right side
    46,375,628.80x = 3,226,048,419,893,084
  5. Step 5: Solve for x
    x = 3,226,048,419,893,084/46,375,628.80
  6. Step 6: Final answer
    x = 69,563,443.20

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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.