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Finding the Fourth Proportional to 210,001,111.20, 293,321,311.20 and 210,001,111.20

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Solution

The fourth proportional to 210,001,111.20, 293,321,311.20 and 210,001,111.20 is: 293,321,311.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,001,111.20 : 293,321,311.20 = 210,001,111.20 : x
  2. Step 2: Convert to fraction form
    210,001,111.20/293,321,311.20 = 210,001,111.20/x
  3. Step 3: Cross multiply
    210,001,111.20x = 293,321,311.20 × 210,001,111.20
  4. Step 4: Simplify right side
    210,001,111.20x = 61,597,801,290,641,000
  5. Step 5: Solve for x
    x = 61,597,801,290,641,000/210,001,111.20
  6. Step 6: Final answer
    x = 293,321,311.20

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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.