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Finding the Fourth Proportional to 107,758.71, 161,712.05 and 37,638.09

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Solution

The fourth proportional to 107,758.71, 161,712.05 and 37,638.09 is: 56,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,758.71 : 161,712.05 = 37,638.09 : x
  2. Step 2: Convert to fraction form
    107,758.71/161,712.05 = 37,638.09/x
  3. Step 3: Cross multiply
    107,758.71x = 161,712.05 × 37,638.09
  4. Step 4: Simplify right side
    107,758.71x = 6,086,532,503.79
  5. Step 5: Solve for x
    x = 6,086,532,503.79/107,758.71
  6. Step 6: Final answer
    x = 56,482.97

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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.