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Finding the Fourth Proportional to 202,930.88, 280,025.76 and 118,046.72

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Solution

The fourth proportional to 202,930.88, 280,025.76 and 118,046.72 is: 162,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,930.88 : 280,025.76 = 118,046.72 : x
  2. Step 2: Convert to fraction form
    202,930.88/280,025.76 = 118,046.72/x
  3. Step 3: Cross multiply
    202,930.88x = 280,025.76 × 118,046.72
  4. Step 4: Simplify right side
    202,930.88x = 33,056,122,483.51
  5. Step 5: Solve for x
    x = 33,056,122,483.51/202,930.88
  6. Step 6: Final answer
    x = 162,893.51

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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.