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Finding the Fourth Proportional to 196,265.60, 294,436.80 and 83,945.60

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Solution

The fourth proportional to 196,265.60, 294,436.80 and 83,945.60 is: 125,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,265.60 : 294,436.80 = 83,945.60 : x
  2. Step 2: Convert to fraction form
    196,265.60/294,436.80 = 83,945.60/x
  3. Step 3: Cross multiply
    196,265.60x = 294,436.80 × 83,945.60
  4. Step 4: Simplify right side
    196,265.60x = 24,716,673,838.08
  5. Step 5: Solve for x
    x = 24,716,673,838.08/196,265.60
  6. Step 6: Final answer
    x = 125,934.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.