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Finding the Fourth Proportional to 66,735,005.80, 100,102,508.70 and 23,605,616.20

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Solution

The fourth proportional to 66,735,005.80, 100,102,508.70 and 23,605,616.20 is: 35,408,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,735,005.80 : 100,102,508.70 = 23,605,616.20 : x
  2. Step 2: Convert to fraction form
    66,735,005.80/100,102,508.70 = 23,605,616.20/x
  3. Step 3: Cross multiply
    66,735,005.80x = 100,102,508.70 × 23,605,616.20
  4. Step 4: Simplify right side
    66,735,005.80x = 2,362,981,401,029,361
  5. Step 5: Solve for x
    x = 2,362,981,401,029,361/66,735,005.80
  6. Step 6: Final answer
    x = 35,408,424.30

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1.5x scale

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.