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Finding the Fourth Proportional to 202,308,935.60, 303,463,403.40 and 151,290,599.60

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Solution

The fourth proportional to 202,308,935.60, 303,463,403.40 and 151,290,599.60 is: 226,935,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,308,935.60 : 303,463,403.40 = 151,290,599.60 : x
  2. Step 2: Convert to fraction form
    202,308,935.60/303,463,403.40 = 151,290,599.60/x
  3. Step 3: Cross multiply
    202,308,935.60x = 303,463,403.40 × 151,290,599.60
  4. Step 4: Simplify right side
    202,308,935.60x = 45,911,160,257,042,672
  5. Step 5: Solve for x
    x = 45,911,160,257,042,672/202,308,935.60
  6. Step 6: Final answer
    x = 226,935,899.40

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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.