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Finding the Fourth Proportional to 104,465.01, 156,720 and 32,416.49

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Solution

The fourth proportional to 104,465.01, 156,720 and 32,416.49 is: 48,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,465.01 : 156,720 = 32,416.49 : x
  2. Step 2: Convert to fraction form
    104,465.01/156,720 = 32,416.49/x
  3. Step 3: Cross multiply
    104,465.01x = 156,720 × 32,416.49
  4. Step 4: Simplify right side
    104,465.01x = 5,080,312,312.80
  5. Step 5: Solve for x
    x = 5,080,312,312.80/104,465.01
  6. Step 6: Final answer
    x = 48,631.71

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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.