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Finding the Fourth Proportional to 31,131,708.90, 46,697,563.35 and 31,131,708.90

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Solution

The fourth proportional to 31,131,708.90, 46,697,563.35 and 31,131,708.90 is: 46,697,563.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131,708.90 : 46,697,563.35 = 31,131,708.90 : x
  2. Step 2: Convert to fraction form
    31,131,708.90/46,697,563.35 = 31,131,708.90/x
  3. Step 3: Cross multiply
    31,131,708.90x = 46,697,563.35 × 31,131,708.90
  4. Step 4: Simplify right side
    31,131,708.90x = 1,453,774,948,551,508.75
  5. Step 5: Solve for x
    x = 1,453,774,948,551,508.75/31,131,708.90
  6. Step 6: Final answer
    x = 46,697,563.35

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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.