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Finding the Fourth Proportional to 93,312,803.30, 139,969,204.95 and 84,809,747.30

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Solution

The fourth proportional to 93,312,803.30, 139,969,204.95 and 84,809,747.30 is: 127,214,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,803.30 : 139,969,204.95 = 84,809,747.30 : x
  2. Step 2: Convert to fraction form
    93,312,803.30/139,969,204.95 = 84,809,747.30/x
  3. Step 3: Cross multiply
    93,312,803.30x = 139,969,204.95 × 84,809,747.30
  4. Step 4: Simplify right side
    93,312,803.30x = 11,870,752,901,591,408
  5. Step 5: Solve for x
    x = 11,870,752,901,591,408/93,312,803.30
  6. Step 6: Final answer
    x = 127,214,620.95

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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.