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Finding the Fourth Proportional to 231,151.60, 346,727.40 and 64,939.60

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Solution

The fourth proportional to 231,151.60, 346,727.40 and 64,939.60 is: 97,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,151.60 : 346,727.40 = 64,939.60 : x
  2. Step 2: Convert to fraction form
    231,151.60/346,727.40 = 64,939.60/x
  3. Step 3: Cross multiply
    231,151.60x = 346,727.40 × 64,939.60
  4. Step 4: Simplify right side
    231,151.60x = 22,516,338,665.04
  5. Step 5: Solve for x
    x = 22,516,338,665.04/231,151.60
  6. Step 6: Final answer
    x = 97,409.40

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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.