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Finding the Fourth Proportional to 108,040.16, 162,132.72 and 37,919.68

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Solution

The fourth proportional to 108,040.16, 162,132.72 and 37,919.68 is: 56,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,040.16 : 162,132.72 = 37,919.68 : x
  2. Step 2: Convert to fraction form
    108,040.16/162,132.72 = 37,919.68/x
  3. Step 3: Cross multiply
    108,040.16x = 162,132.72 × 37,919.68
  4. Step 4: Simplify right side
    108,040.16x = 6,148,020,859.93
  5. Step 5: Solve for x
    x = 6,148,020,859.93/108,040.16
  6. Step 6: Final answer
    x = 56,904.96

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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.