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Finding the Fourth Proportional to 69,963,644.40, 104,989,703.40 and 41,209,724.40

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Solution

The fourth proportional to 69,963,644.40, 104,989,703.40 and 41,209,724.40 is: 61,840,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,963,644.40 : 104,989,703.40 = 41,209,724.40 : x
  2. Step 2: Convert to fraction form
    69,963,644.40/104,989,703.40 = 41,209,724.40/x
  3. Step 3: Cross multiply
    69,963,644.40x = 104,989,703.40 × 41,209,724.40
  4. Step 4: Simplify right side
    69,963,644.40x = 4,326,596,741,951,743
  5. Step 5: Solve for x
    x = 4,326,596,741,951,743/69,963,644.40
  6. Step 6: Final answer
    x = 61,840,642.79

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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.