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Finding the Fourth Proportional to 70,440,179.80, 98,750,621 and 70,440,179.80

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Solution

The fourth proportional to 70,440,179.80, 98,750,621 and 70,440,179.80 is: 98,750,621

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,440,179.80 : 98,750,621 = 70,440,179.80 : x
  2. Step 2: Convert to fraction form
    70,440,179.80/98,750,621 = 70,440,179.80/x
  3. Step 3: Cross multiply
    70,440,179.80x = 98,750,621 × 70,440,179.80
  4. Step 4: Simplify right side
    70,440,179.80x = 6,956,011,498,601,656
  5. Step 5: Solve for x
    x = 6,956,011,498,601,656/70,440,179.80
  6. Step 6: Final answer
    x = 98,750,621

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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.