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Finding the Fourth Proportional to 65,171,804.80, 97,812,819.60 and 26,860,813.60

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Solution

The fourth proportional to 65,171,804.80, 97,812,819.60 and 26,860,813.60 is: 40,313,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,171,804.80 : 97,812,819.60 = 26,860,813.60 : x
  2. Step 2: Convert to fraction form
    65,171,804.80/97,812,819.60 = 26,860,813.60/x
  3. Step 3: Cross multiply
    65,171,804.80x = 97,812,819.60 × 26,860,813.60
  4. Step 4: Simplify right side
    65,171,804.80x = 2,627,331,914,966,026.50
  5. Step 5: Solve for x
    x = 2,627,331,914,966,026.50/65,171,804.80
  6. Step 6: Final answer
    x = 40,313,935.19

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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.