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Finding the Fourth Proportional to 149,774,514.60, 210,288,982.20 and 149,774,514.60

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Solution

The fourth proportional to 149,774,514.60, 210,288,982.20 and 149,774,514.60 is: 210,288,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,774,514.60 : 210,288,982.20 = 149,774,514.60 : x
  2. Step 2: Convert to fraction form
    149,774,514.60/210,288,982.20 = 149,774,514.60/x
  3. Step 3: Cross multiply
    149,774,514.60x = 210,288,982.20 × 149,774,514.60
  4. Step 4: Simplify right side
    149,774,514.60x = 31,495,930,234,733,036
  5. Step 5: Solve for x
    x = 31,495,930,234,733,036/149,774,514.60
  6. Step 6: Final answer
    x = 210,288,982.20

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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.