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Finding the Fourth Proportional to 248,978,836.10, 373,468,254.15 and 158,503,520.90

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Solution

The fourth proportional to 248,978,836.10, 373,468,254.15 and 158,503,520.90 is: 237,755,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,978,836.10 : 373,468,254.15 = 158,503,520.90 : x
  2. Step 2: Convert to fraction form
    248,978,836.10/373,468,254.15 = 158,503,520.90/x
  3. Step 3: Cross multiply
    248,978,836.10x = 373,468,254.15 × 158,503,520.90
  4. Step 4: Simplify right side
    248,978,836.10x = 59,196,033,227,151,032
  5. Step 5: Solve for x
    x = 59,196,033,227,151,032/248,978,836.10
  6. Step 6: Final answer
    x = 237,755,281.35

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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.