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Finding the Fourth Proportional to 87,216,244.20, 130,540,931.10 and 87,216,244.20

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Solution

The fourth proportional to 87,216,244.20, 130,540,931.10 and 87,216,244.20 is: 130,540,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,216,244.20 : 130,540,931.10 = 87,216,244.20 : x
  2. Step 2: Convert to fraction form
    87,216,244.20/130,540,931.10 = 87,216,244.20/x
  3. Step 3: Cross multiply
    87,216,244.20x = 130,540,931.10 × 87,216,244.20
  4. Step 4: Simplify right side
    87,216,244.20x = 11,385,289,724,912,974
  5. Step 5: Solve for x
    x = 11,385,289,724,912,974/87,216,244.20
  6. Step 6: Final answer
    x = 130,540,931.10

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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.