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Finding the Fourth Proportional to 107,950.60, 161,925.90 and 37,820.80

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Solution

The fourth proportional to 107,950.60, 161,925.90 and 37,820.80 is: 56,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,950.60 : 161,925.90 = 37,820.80 : x
  2. Step 2: Convert to fraction form
    107,950.60/161,925.90 = 37,820.80/x
  3. Step 3: Cross multiply
    107,950.60x = 161,925.90 × 37,820.80
  4. Step 4: Simplify right side
    107,950.60x = 6,124,167,078.72
  5. Step 5: Solve for x
    x = 6,124,167,078.72/107,950.60
  6. Step 6: Final answer
    x = 56,731.20

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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.