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Finding the Fourth Proportional to 70,862,406.80, 106,293,610.20 and 22,993,350.80

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Solution

The fourth proportional to 70,862,406.80, 106,293,610.20 and 22,993,350.80 is: 34,490,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,862,406.80 : 106,293,610.20 = 22,993,350.80 : x
  2. Step 2: Convert to fraction form
    70,862,406.80/106,293,610.20 = 22,993,350.80/x
  3. Step 3: Cross multiply
    70,862,406.80x = 106,293,610.20 × 22,993,350.80
  4. Step 4: Simplify right side
    70,862,406.80x = 2,444,046,267,127,058.50
  5. Step 5: Solve for x
    x = 2,444,046,267,127,058.50/70,862,406.80
  6. Step 6: Final answer
    x = 34,490,026.20

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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.