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Finding the Fourth Proportional to 69,705,901.60, 104,334,903.60 and 49,550,509.60

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Solution

The fourth proportional to 69,705,901.60, 104,334,903.60 and 49,550,509.60 is: 74,166,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,705,901.60 : 104,334,903.60 = 49,550,509.60 : x
  2. Step 2: Convert to fraction form
    69,705,901.60/104,334,903.60 = 49,550,509.60/x
  3. Step 3: Cross multiply
    69,705,901.60x = 104,334,903.60 × 49,550,509.60
  4. Step 4: Simplify right side
    69,705,901.60x = 5,169,847,642,446,874
  5. Step 5: Solve for x
    x = 5,169,847,642,446,874/69,705,901.60
  6. Step 6: Final answer
    x = 74,166,570.17

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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.