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Finding the Fourth Proportional to 119,673.48, 165,150.41 and 65,958.63

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Solution

The fourth proportional to 119,673.48, 165,150.41 and 65,958.63 is: 91,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,673.48 : 165,150.41 = 65,958.63 : x
  2. Step 2: Convert to fraction form
    119,673.48/165,150.41 = 65,958.63/x
  3. Step 3: Cross multiply
    119,673.48x = 165,150.41 × 65,958.63
  4. Step 4: Simplify right side
    119,673.48x = 10,893,094,767.40
  5. Step 5: Solve for x
    x = 10,893,094,767.40/119,673.48
  6. Step 6: Final answer
    x = 91,023.47

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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.