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Finding the Fourth Proportional to 79,931.66, 119,886.12 and 32,567.42

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Solution

The fourth proportional to 79,931.66, 119,886.12 and 32,567.42 is: 48,846.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,931.66 : 119,886.12 = 32,567.42 : x
  2. Step 2: Convert to fraction form
    79,931.66/119,886.12 = 32,567.42/x
  3. Step 3: Cross multiply
    79,931.66x = 119,886.12 × 32,567.42
  4. Step 4: Simplify right side
    79,931.66x = 3,904,381,622.21
  5. Step 5: Solve for x
    x = 3,904,381,622.21/79,931.66
  6. Step 6: Final answer
    x = 48,846.50

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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.