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Finding the Fourth Proportional to 106,891,606.80, 160,337,410.20 and 53,143,894.80

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Solution

The fourth proportional to 106,891,606.80, 160,337,410.20 and 53,143,894.80 is: 79,715,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,891,606.80 : 160,337,410.20 = 53,143,894.80 : x
  2. Step 2: Convert to fraction form
    106,891,606.80/160,337,410.20 = 53,143,894.80/x
  3. Step 3: Cross multiply
    106,891,606.80x = 160,337,410.20 × 53,143,894.80
  4. Step 4: Simplify right side
    106,891,606.80x = 8,520,954,460,173,246
  5. Step 5: Solve for x
    x = 8,520,954,460,173,246/106,891,606.80
  6. Step 6: Final answer
    x = 79,715,842.20

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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.