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Finding the Fourth Proportional to 119,657.58, 165,128.58 and 65,944.56

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Solution

The fourth proportional to 119,657.58, 165,128.58 and 65,944.56 is: 91,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,657.58 : 165,128.58 = 65,944.56 : x
  2. Step 2: Convert to fraction form
    119,657.58/165,128.58 = 65,944.56/x
  3. Step 3: Cross multiply
    119,657.58x = 165,128.58 × 65,944.56
  4. Step 4: Simplify right side
    119,657.58x = 10,889,331,551.52
  5. Step 5: Solve for x
    x = 10,889,331,551.52/119,657.58
  6. Step 6: Final answer
    x = 91,004.11

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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.