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Finding the Fourth Proportional to 49,927,981.70, 70,100,728.30 and 49,927,981.70

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Solution

The fourth proportional to 49,927,981.70, 70,100,728.30 and 49,927,981.70 is: 70,100,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,927,981.70 : 70,100,728.30 = 49,927,981.70 : x
  2. Step 2: Convert to fraction form
    49,927,981.70/70,100,728.30 = 49,927,981.70/x
  3. Step 3: Cross multiply
    49,927,981.70x = 70,100,728.30 × 49,927,981.70
  4. Step 4: Simplify right side
    49,927,981.70x = 3,499,987,879,719,072
  5. Step 5: Solve for x
    x = 3,499,987,879,719,072/49,927,981.70
  6. Step 6: Final answer
    x = 70,100,728.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.