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Finding the Fourth Proportional to 196,305.60, 294,458.40 and 48,561.60

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Solution

The fourth proportional to 196,305.60, 294,458.40 and 48,561.60 is: 72,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,305.60 : 294,458.40 = 48,561.60 : x
  2. Step 2: Convert to fraction form
    196,305.60/294,458.40 = 48,561.60/x
  3. Step 3: Cross multiply
    196,305.60x = 294,458.40 × 48,561.60
  4. Step 4: Simplify right side
    196,305.60x = 14,299,371,037.44
  5. Step 5: Solve for x
    x = 14,299,371,037.44/196,305.60
  6. Step 6: Final answer
    x = 72,842.40

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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.