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Finding the Fourth Proportional to 110,779.80, 166,056.30 and 54,533.40

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Solution

The fourth proportional to 110,779.80, 166,056.30 and 54,533.40 is: 81,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779.80 : 166,056.30 = 54,533.40 : x
  2. Step 2: Convert to fraction form
    110,779.80/166,056.30 = 54,533.40/x
  3. Step 3: Cross multiply
    110,779.80x = 166,056.30 × 54,533.40
  4. Step 4: Simplify right side
    110,779.80x = 9,055,614,630.42
  5. Step 5: Solve for x
    x = 9,055,614,630.42/110,779.80
  6. Step 6: Final answer
    x = 81,744.28

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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.