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Finding the Fourth Proportional to 168,409.76, 232,444.47 and 111,059.39

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Solution

The fourth proportional to 168,409.76, 232,444.47 and 111,059.39 is: 153,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,409.76 : 232,444.47 = 111,059.39 : x
  2. Step 2: Convert to fraction form
    168,409.76/232,444.47 = 111,059.39/x
  3. Step 3: Cross multiply
    168,409.76x = 232,444.47 × 111,059.39
  4. Step 4: Simplify right side
    168,409.76x = 25,815,139,884.85
  5. Step 5: Solve for x
    x = 25,815,139,884.85/168,409.76
  6. Step 6: Final answer
    x = 153,287.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.