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Finding the Fourth Proportional to 266,112,021.60, 371,649,837.60 and 266,112,021.60

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Solution

The fourth proportional to 266,112,021.60, 371,649,837.60 and 266,112,021.60 is: 371,649,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,112,021.60 : 371,649,837.60 = 266,112,021.60 : x
  2. Step 2: Convert to fraction form
    266,112,021.60/371,649,837.60 = 266,112,021.60/x
  3. Step 3: Cross multiply
    266,112,021.60x = 371,649,837.60 × 266,112,021.60
  4. Step 4: Simplify right side
    266,112,021.60x = 98,900,489,611,047,696
  5. Step 5: Solve for x
    x = 98,900,489,611,047,696/266,112,021.60
  6. Step 6: Final answer
    x = 371,649,837.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.