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Finding the Fourth Proportional to 135,648,162.30, 190,162,518.90 and 135,648,162.30

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Solution

The fourth proportional to 135,648,162.30, 190,162,518.90 and 135,648,162.30 is: 190,162,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,648,162.30 : 190,162,518.90 = 135,648,162.30 : x
  2. Step 2: Convert to fraction form
    135,648,162.30/190,162,518.90 = 135,648,162.30/x
  3. Step 3: Cross multiply
    135,648,162.30x = 190,162,518.90 × 135,648,162.30
  4. Step 4: Simplify right side
    135,648,162.30x = 25,795,196,227,124,020
  5. Step 5: Solve for x
    x = 25,795,196,227,124,020/135,648,162.30
  6. Step 6: Final answer
    x = 190,162,518.90

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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.