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Finding the Fourth Proportional to 110,779.32, 166,133.44 and 47,582.32

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Solution

The fourth proportional to 110,779.32, 166,133.44 and 47,582.32 is: 71,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779.32 : 166,133.44 = 47,582.32 : x
  2. Step 2: Convert to fraction form
    110,779.32/166,133.44 = 47,582.32/x
  3. Step 3: Cross multiply
    110,779.32x = 166,133.44 × 47,582.32
  4. Step 4: Simplify right side
    110,779.32x = 7,905,014,504.78
  5. Step 5: Solve for x
    x = 7,905,014,504.78/110,779.32
  6. Step 6: Final answer
    x = 71,358.21

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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.