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Finding the Fourth Proportional to 98,013,759.60, 146,796,690.60 and 57,702,975.60

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Solution

The fourth proportional to 98,013,759.60, 146,796,690.60 and 57,702,975.60 is: 86,422,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,013,759.60 : 146,796,690.60 = 57,702,975.60 : x
  2. Step 2: Convert to fraction form
    98,013,759.60/146,796,690.60 = 57,702,975.60/x
  3. Step 3: Cross multiply
    98,013,759.60x = 146,796,690.60 × 57,702,975.60
  4. Step 4: Simplify right side
    98,013,759.60x = 8,470,605,855,852,549
  5. Step 5: Solve for x
    x = 8,470,605,855,852,549/98,013,759.60
  6. Step 6: Final answer
    x = 86,422,619.54

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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.