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Finding the Fourth Proportional to 65,202,603.60, 97,803,905.40 and 34,969,515.60

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Solution

The fourth proportional to 65,202,603.60, 97,803,905.40 and 34,969,515.60 is: 52,454,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,202,603.60 : 97,803,905.40 = 34,969,515.60 : x
  2. Step 2: Convert to fraction form
    65,202,603.60/97,803,905.40 = 34,969,515.60/x
  3. Step 3: Cross multiply
    65,202,603.60x = 97,803,905.40 × 34,969,515.60
  4. Step 4: Simplify right side
    65,202,603.60x = 3,420,155,195,626,224.50
  5. Step 5: Solve for x
    x = 3,420,155,195,626,224.50/65,202,603.60
  6. Step 6: Final answer
    x = 52,454,273.40

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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.