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Finding the Fourth Proportional to 92,485.99, 138,730.07 and 32,516.22

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Solution

The fourth proportional to 92,485.99, 138,730.07 and 32,516.22 is: 48,774.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,485.99 : 138,730.07 = 32,516.22 : x
  2. Step 2: Convert to fraction form
    92,485.99/138,730.07 = 32,516.22/x
  3. Step 3: Cross multiply
    92,485.99x = 138,730.07 × 32,516.22
  4. Step 4: Simplify right side
    92,485.99x = 4,510,977,476.74
  5. Step 5: Solve for x
    x = 4,510,977,476.74/92,485.99
  6. Step 6: Final answer
    x = 48,774.71

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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.