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Finding the Fourth Proportional to 188,926,428.80, 283,389,643.20 and 188,926,428.80

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Solution

The fourth proportional to 188,926,428.80, 283,389,643.20 and 188,926,428.80 is: 283,389,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,926,428.80 : 283,389,643.20 = 188,926,428.80 : x
  2. Step 2: Convert to fraction form
    188,926,428.80/283,389,643.20 = 188,926,428.80/x
  3. Step 3: Cross multiply
    188,926,428.80x = 283,389,643.20 × 188,926,428.80
  4. Step 4: Simplify right side
    188,926,428.80x = 53,539,793,248,682,208
  5. Step 5: Solve for x
    x = 53,539,793,248,682,208/188,926,428.80
  6. Step 6: Final answer
    x = 283,389,643.20

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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.