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Finding the Fourth Proportional to 194,760.60, 292,140.90 and 110,779.80

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Solution

The fourth proportional to 194,760.60, 292,140.90 and 110,779.80 is: 166,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,760.60 : 292,140.90 = 110,779.80 : x
  2. Step 2: Convert to fraction form
    194,760.60/292,140.90 = 110,779.80/x
  3. Step 3: Cross multiply
    194,760.60x = 292,140.90 × 110,779.80
  4. Step 4: Simplify right side
    194,760.60x = 32,363,310,473.82
  5. Step 5: Solve for x
    x = 32,363,310,473.82/194,760.60
  6. Step 6: Final answer
    x = 166,169.70

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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.