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Finding the Fourth Proportional to 200,556,093.60, 300,834,140.40 and 172,814,873.40

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Solution

The fourth proportional to 200,556,093.60, 300,834,140.40 and 172,814,873.40 is: 259,222,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,556,093.60 : 300,834,140.40 = 172,814,873.40 : x
  2. Step 2: Convert to fraction form
    200,556,093.60/300,834,140.40 = 172,814,873.40/x
  3. Step 3: Cross multiply
    200,556,093.60x = 300,834,140.40 × 172,814,873.40
  4. Step 4: Simplify right side
    200,556,093.60x = 51,988,613,887,623,824
  5. Step 5: Solve for x
    x = 51,988,613,887,623,824/200,556,093.60
  6. Step 6: Final answer
    x = 259,222,310.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.