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Finding the Fourth Proportional to 84,901,624.80, 127,058,504.40 and 50,847,410.40

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Solution

The fourth proportional to 84,901,624.80, 127,058,504.40 and 50,847,410.40 is: 76,095,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,901,624.80 : 127,058,504.40 = 50,847,410.40 : x
  2. Step 2: Convert to fraction form
    84,901,624.80/127,058,504.40 = 50,847,410.40/x
  3. Step 3: Cross multiply
    84,901,624.80x = 127,058,504.40 × 50,847,410.40
  4. Step 4: Simplify right side
    84,901,624.80x = 6,460,595,918,037,006
  5. Step 5: Solve for x
    x = 6,460,595,918,037,006/84,901,624.80
  6. Step 6: Final answer
    x = 76,095,079.84

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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.