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Finding the Fourth Proportional to 246,039,964.80, 368,808,004.80 and 143,751,350.40

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Solution

The fourth proportional to 246,039,964.80, 368,808,004.80 and 143,751,350.40 is: 215,479,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,039,964.80 : 368,808,004.80 = 143,751,350.40 : x
  2. Step 2: Convert to fraction form
    246,039,964.80/368,808,004.80 = 143,751,350.40/x
  3. Step 3: Cross multiply
    246,039,964.80x = 368,808,004.80 × 143,751,350.40
  4. Step 4: Simplify right side
    246,039,964.80x = 53,016,648,728,329,688
  5. Step 5: Solve for x
    x = 53,016,648,728,329,688/246,039,964.80
  6. Step 6: Final answer
    x = 215,479,825.69

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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.