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Finding the Fourth Proportional to 168,779.52, 232,863.12 and 112,200.48

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Solution

The fourth proportional to 168,779.52, 232,863.12 and 112,200.48 is: 154,801.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,779.52 : 232,863.12 = 112,200.48 : x
  2. Step 2: Convert to fraction form
    168,779.52/232,863.12 = 112,200.48/x
  3. Step 3: Cross multiply
    168,779.52x = 232,863.12 × 112,200.48
  4. Step 4: Simplify right side
    168,779.52x = 26,127,353,838.30
  5. Step 5: Solve for x
    x = 26,127,353,838.30/168,779.52
  6. Step 6: Final answer
    x = 154,801.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.