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Finding the Fourth Proportional to 236,580,684.89, 354,949,866.98 and 149,041,139.03

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Solution

The fourth proportional to 236,580,684.89, 354,949,866.98 and 149,041,139.03 is: 223,611,375.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,580,684.89 : 354,949,866.98 = 149,041,139.03 : x
  2. Step 2: Convert to fraction form
    236,580,684.89/354,949,866.98 = 149,041,139.03/x
  3. Step 3: Cross multiply
    236,580,684.89x = 354,949,866.98 × 149,041,139.03
  4. Step 4: Simplify right side
    236,580,684.89x = 52,902,132,473,246,192
  5. Step 5: Solve for x
    x = 52,902,132,473,246,192/236,580,684.89
  6. Step 6: Final answer
    x = 223,611,375.96

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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.