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Finding the Fourth Proportional to 84,779.51, 127,169.27 and 32,189.01

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Solution

The fourth proportional to 84,779.51, 127,169.27 and 32,189.01 is: 48,283.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,779.51 : 127,169.27 = 32,189.01 : x
  2. Step 2: Convert to fraction form
    84,779.51/127,169.27 = 32,189.01/x
  3. Step 3: Cross multiply
    84,779.51x = 127,169.27 × 32,189.01
  4. Step 4: Simplify right side
    84,779.51x = 4,093,452,742.78
  5. Step 5: Solve for x
    x = 4,093,452,742.78/84,779.51
  6. Step 6: Final answer
    x = 48,283.52

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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.