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Finding the Fourth Proportional to 76,009.14, 104,903.04 and 43,743.11

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Solution

The fourth proportional to 76,009.14, 104,903.04 and 43,743.11 is: 60,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,009.14 : 104,903.04 = 43,743.11 : x
  2. Step 2: Convert to fraction form
    76,009.14/104,903.04 = 43,743.11/x
  3. Step 3: Cross multiply
    76,009.14x = 104,903.04 × 43,743.11
  4. Step 4: Simplify right side
    76,009.14x = 4,588,784,693.54
  5. Step 5: Solve for x
    x = 4,588,784,693.54/76,009.14
  6. Step 6: Final answer
    x = 60,371.49

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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.