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Finding the Fourth Proportional to 112,458.64, 168,676.80 and 29,352.64

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Solution

The fourth proportional to 112,458.64, 168,676.80 and 29,352.64 is: 44,026.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,458.64 : 168,676.80 = 29,352.64 : x
  2. Step 2: Convert to fraction form
    112,458.64/168,676.80 = 29,352.64/x
  3. Step 3: Cross multiply
    112,458.64x = 168,676.80 × 29,352.64
  4. Step 4: Simplify right side
    112,458.64x = 4,951,109,386.75
  5. Step 5: Solve for x
    x = 4,951,109,386.75/112,458.64
  6. Step 6: Final answer
    x = 44,026.05

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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.