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Finding the Fourth Proportional to 118,207.60, 177,311.40 and 114,927.10

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Solution

The fourth proportional to 118,207.60, 177,311.40 and 114,927.10 is: 172,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,207.60 : 177,311.40 = 114,927.10 : x
  2. Step 2: Convert to fraction form
    118,207.60/177,311.40 = 114,927.10/x
  3. Step 3: Cross multiply
    118,207.60x = 177,311.40 × 114,927.10
  4. Step 4: Simplify right side
    118,207.60x = 20,377,884,998.94
  5. Step 5: Solve for x
    x = 20,377,884,998.94/118,207.60
  6. Step 6: Final answer
    x = 172,390.65

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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.