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Finding the Fourth Proportional to 178,604.73, 246,486.85 and 118,070.39

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Solution

The fourth proportional to 178,604.73, 246,486.85 and 118,070.39 is: 162,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,604.73 : 246,486.85 = 118,070.39 : x
  2. Step 2: Convert to fraction form
    178,604.73/246,486.85 = 118,070.39/x
  3. Step 3: Cross multiply
    178,604.73x = 246,486.85 × 118,070.39
  4. Step 4: Simplify right side
    178,604.73x = 29,102,798,830.41
  5. Step 5: Solve for x
    x = 29,102,798,830.41/178,604.73
  6. Step 6: Final answer
    x = 162,945.29

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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.