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Finding the Fourth Proportional to 70,470,168.10, 98,759,012.30 and 70,470,168.10

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Solution

The fourth proportional to 70,470,168.10, 98,759,012.30 and 70,470,168.10 is: 98,759,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,470,168.10 : 98,759,012.30 = 70,470,168.10 : x
  2. Step 2: Convert to fraction form
    70,470,168.10/98,759,012.30 = 70,470,168.10/x
  3. Step 3: Cross multiply
    70,470,168.10x = 98,759,012.30 × 70,470,168.10
  4. Step 4: Simplify right side
    70,470,168.10x = 6,959,564,198,170,967
  5. Step 5: Solve for x
    x = 6,959,564,198,170,967/70,470,168.10
  6. Step 6: Final answer
    x = 98,759,012.30

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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.