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Finding the Fourth Proportional to 70,713,680, 106,070,217.60 and 19,595,552

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Solution

The fourth proportional to 70,713,680, 106,070,217.60 and 19,595,552 is: 29,393,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,713,680 : 106,070,217.60 = 19,595,552 : x
  2. Step 2: Convert to fraction form
    70,713,680/106,070,217.60 = 19,595,552/x
  3. Step 3: Cross multiply
    70,713,680x = 106,070,217.60 × 19,595,552
  4. Step 4: Simplify right side
    70,713,680x = 2,078,504,464,632,115
  5. Step 5: Solve for x
    x = 2,078,504,464,632,115/70,713,680
  6. Step 6: Final answer
    x = 29,393,244.20

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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.