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Finding the Fourth Proportional to 248,978,821.60, 373,468,232.40 and 158,503,506.40

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Solution

The fourth proportional to 248,978,821.60, 373,468,232.40 and 158,503,506.40 is: 237,755,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,978,821.60 : 373,468,232.40 = 158,503,506.40 : x
  2. Step 2: Convert to fraction form
    248,978,821.60/373,468,232.40 = 158,503,506.40/x
  3. Step 3: Cross multiply
    248,978,821.60x = 373,468,232.40 × 158,503,506.40
  4. Step 4: Simplify right side
    248,978,821.60x = 59,196,024,364,410,088
  5. Step 5: Solve for x
    x = 59,196,024,364,410,088/248,978,821.60
  6. Step 6: Final answer
    x = 237,755,259.60

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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.