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Finding the Fourth Proportional to 301,635.60, 452,165.40 and 112,045.20

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Solution

The fourth proportional to 301,635.60, 452,165.40 and 112,045.20 is: 167,960.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,635.60 : 452,165.40 = 112,045.20 : x
  2. Step 2: Convert to fraction form
    301,635.60/452,165.40 = 112,045.20/x
  3. Step 3: Cross multiply
    301,635.60x = 452,165.40 × 112,045.20
  4. Step 4: Simplify right side
    301,635.60x = 50,662,962,676.08
  5. Step 5: Solve for x
    x = 50,662,962,676.08/301,635.60
  6. Step 6: Final answer
    x = 167,960.82

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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.