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Finding the Fourth Proportional to 59,058,116.80, 82,479,809.60 and 59,058,116.80

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Solution

The fourth proportional to 59,058,116.80, 82,479,809.60 and 59,058,116.80 is: 82,479,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,058,116.80 : 82,479,809.60 = 59,058,116.80 : x
  2. Step 2: Convert to fraction form
    59,058,116.80/82,479,809.60 = 59,058,116.80/x
  3. Step 3: Cross multiply
    59,058,116.80x = 82,479,809.60 × 59,058,116.80
  4. Step 4: Simplify right side
    59,058,116.80x = 4,871,102,228,998,561
  5. Step 5: Solve for x
    x = 4,871,102,228,998,561/59,058,116.80
  6. Step 6: Final answer
    x = 82,479,809.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.