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Finding the Fourth Proportional to 201,935.60, 302,879.10 and 83,594.60

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Solution

The fourth proportional to 201,935.60, 302,879.10 and 83,594.60 is: 125,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,935.60 : 302,879.10 = 83,594.60 : x
  2. Step 2: Convert to fraction form
    201,935.60/302,879.10 = 83,594.60/x
  3. Step 3: Cross multiply
    201,935.60x = 302,879.10 × 83,594.60
  4. Step 4: Simplify right side
    201,935.60x = 25,319,057,212.86
  5. Step 5: Solve for x
    x = 25,319,057,212.86/201,935.60
  6. Step 6: Final answer
    x = 125,381.84

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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.