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Finding the Fourth Proportional to 107,779.51, 161,669.54 and 37,658.80

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Solution

The fourth proportional to 107,779.51, 161,669.54 and 37,658.80 is: 56,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,779.51 : 161,669.54 = 37,658.80 : x
  2. Step 2: Convert to fraction form
    107,779.51/161,669.54 = 37,658.80/x
  3. Step 3: Cross multiply
    107,779.51x = 161,669.54 × 37,658.80
  4. Step 4: Simplify right side
    107,779.51x = 6,088,280,872.95
  5. Step 5: Solve for x
    x = 6,088,280,872.95/107,779.51
  6. Step 6: Final answer
    x = 56,488.30

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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.