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Finding the Fourth Proportional to 98,280,027.15, 147,420,040.73 and 98,280,027.15

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Solution

The fourth proportional to 98,280,027.15, 147,420,040.73 and 98,280,027.15 is: 147,420,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,280,027.15 : 147,420,040.73 = 98,280,027.15 : x
  2. Step 2: Convert to fraction form
    98,280,027.15/147,420,040.73 = 98,280,027.15/x
  3. Step 3: Cross multiply
    98,280,027.15x = 147,420,040.73 × 98,280,027.15
  4. Step 4: Simplify right side
    98,280,027.15x = 14,488,445,604,907,106
  5. Step 5: Solve for x
    x = 14,488,445,604,907,106/98,280,027.15
  6. Step 6: Final answer
    x = 147,420,040.73

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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.