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Finding the Fourth Proportional to 168,417.72, 232,407.90 and 92,951.64

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Solution

The fourth proportional to 168,417.72, 232,407.90 and 92,951.64 is: 128,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,417.72 : 232,407.90 = 92,951.64 : x
  2. Step 2: Convert to fraction form
    168,417.72/232,407.90 = 92,951.64/x
  3. Step 3: Cross multiply
    168,417.72x = 232,407.90 × 92,951.64
  4. Step 4: Simplify right side
    168,417.72x = 21,602,695,453.96
  5. Step 5: Solve for x
    x = 21,602,695,453.96/168,417.72
  6. Step 6: Final answer
    x = 128,268.54

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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.