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Finding the Fourth Proportional to 69,995,774.40, 104,993,661.60 and 39,258,801.60

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Solution

The fourth proportional to 69,995,774.40, 104,993,661.60 and 39,258,801.60 is: 58,888,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,995,774.40 : 104,993,661.60 = 39,258,801.60 : x
  2. Step 2: Convert to fraction form
    69,995,774.40/104,993,661.60 = 39,258,801.60/x
  3. Step 3: Cross multiply
    69,995,774.40x = 104,993,661.60 × 39,258,801.60
  4. Step 4: Simplify right side
    69,995,774.40x = 4,121,925,330,011,938.50
  5. Step 5: Solve for x
    x = 4,121,925,330,011,938.50/69,995,774.40
  6. Step 6: Final answer
    x = 58,888,202.40

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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.