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Finding the Fourth Proportional to 35,219,811.40, 49,374,920.60 and 35,219,811.40

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Solution

The fourth proportional to 35,219,811.40, 49,374,920.60 and 35,219,811.40 is: 49,374,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,219,811.40 : 49,374,920.60 = 35,219,811.40 : x
  2. Step 2: Convert to fraction form
    35,219,811.40/49,374,920.60 = 35,219,811.40/x
  3. Step 3: Cross multiply
    35,219,811.40x = 49,374,920.60 × 35,219,811.40
  4. Step 4: Simplify right side
    35,219,811.40x = 1,738,975,391,421,974.75
  5. Step 5: Solve for x
    x = 1,738,975,391,421,974.75/35,219,811.40
  6. Step 6: Final answer
    x = 49,374,920.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.