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Finding the Fourth Proportional to 248,978,826.60, 373,468,239.90 and 158,503,511.40

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Solution

The fourth proportional to 248,978,826.60, 373,468,239.90 and 158,503,511.40 is: 237,755,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,978,826.60 : 373,468,239.90 = 158,503,511.40 : x
  2. Step 2: Convert to fraction form
    248,978,826.60/373,468,239.90 = 158,503,511.40/x
  3. Step 3: Cross multiply
    248,978,826.60x = 373,468,239.90 × 158,503,511.40
  4. Step 4: Simplify right side
    248,978,826.60x = 59,196,027,420,527,584
  5. Step 5: Solve for x
    x = 59,196,027,420,527,584/248,978,826.60
  6. Step 6: Final answer
    x = 237,755,267.10

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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.