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Finding the Fourth Proportional to 231,202.89, 346,804.32 and 64,990.89

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Solution

The fourth proportional to 231,202.89, 346,804.32 and 64,990.89 is: 97,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,202.89 : 346,804.32 = 64,990.89 : x
  2. Step 2: Convert to fraction form
    231,202.89/346,804.32 = 64,990.89/x
  3. Step 3: Cross multiply
    231,202.89x = 346,804.32 × 64,990.89
  4. Step 4: Simplify right side
    231,202.89x = 22,539,121,412.64
  5. Step 5: Solve for x
    x = 22,539,121,412.64/231,202.89
  6. Step 6: Final answer
    x = 97,486.33

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1.5x scale

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.