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Finding the Fourth Proportional to 98,334,078.45, 147,217,682.48 and 98,334,078.45

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Solution

The fourth proportional to 98,334,078.45, 147,217,682.48 and 98,334,078.45 is: 147,217,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,334,078.45 : 147,217,682.48 = 98,334,078.45 : x
  2. Step 2: Convert to fraction form
    98,334,078.45/147,217,682.48 = 98,334,078.45/x
  3. Step 3: Cross multiply
    98,334,078.45x = 147,217,682.48 × 98,334,078.45
  4. Step 4: Simplify right side
    98,334,078.45x = 14,476,515,137,723,840
  5. Step 5: Solve for x
    x = 14,476,515,137,723,840/98,334,078.45
  6. Step 6: Final answer
    x = 147,217,682.48

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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.