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Finding the Fourth Proportional to 165,898.80, 228,930.48 and 94,268.88

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Solution

The fourth proportional to 165,898.80, 228,930.48 and 94,268.88 is: 130,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,898.80 : 228,930.48 = 94,268.88 : x
  2. Step 2: Convert to fraction form
    165,898.80/228,930.48 = 94,268.88/x
  3. Step 3: Cross multiply
    165,898.80x = 228,930.48 × 94,268.88
  4. Step 4: Simplify right side
    165,898.80x = 21,581,019,947.46
  5. Step 5: Solve for x
    x = 21,581,019,947.46/165,898.80
  6. Step 6: Final answer
    x = 130,085.45

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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.