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Finding the Fourth Proportional to 47,063,906.90, 70,595,860.35 and 47,063,906.90

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Solution

The fourth proportional to 47,063,906.90, 70,595,860.35 and 47,063,906.90 is: 70,595,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,063,906.90 : 70,595,860.35 = 47,063,906.90 : x
  2. Step 2: Convert to fraction form
    47,063,906.90/70,595,860.35 = 47,063,906.90/x
  3. Step 3: Cross multiply
    47,063,906.90x = 70,595,860.35 × 47,063,906.90
  4. Step 4: Simplify right side
    47,063,906.90x = 3,322,516,999,037,801
  5. Step 5: Solve for x
    x = 3,322,516,999,037,801/47,063,906.90
  6. Step 6: Final answer
    x = 70,595,860.35

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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.