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Finding the Fourth Proportional to 149,760,259.60, 210,269,025.20 and 149,760,259.60

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Solution

The fourth proportional to 149,760,259.60, 210,269,025.20 and 149,760,259.60 is: 210,269,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,760,259.60 : 210,269,025.20 = 149,760,259.60 : x
  2. Step 2: Convert to fraction form
    149,760,259.60/210,269,025.20 = 149,760,259.60/x
  3. Step 3: Cross multiply
    149,760,259.60x = 210,269,025.20 × 149,760,259.60
  4. Step 4: Simplify right side
    149,760,259.60x = 31,489,943,799,790,940
  5. Step 5: Solve for x
    x = 31,489,943,799,790,940/149,760,259.60
  6. Step 6: Final answer
    x = 210,269,025.20

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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.