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Finding the Fourth Proportional to 118,442.40, 177,686.64 and 35,334.56

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Solution

The fourth proportional to 118,442.40, 177,686.64 and 35,334.56 is: 53,008.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,442.40 : 177,686.64 = 35,334.56 : x
  2. Step 2: Convert to fraction form
    118,442.40/177,686.64 = 35,334.56/x
  3. Step 3: Cross multiply
    118,442.40x = 177,686.64 × 35,334.56
  4. Step 4: Simplify right side
    118,442.40x = 6,278,479,242.28
  5. Step 5: Solve for x
    x = 6,278,479,242.28/118,442.40
  6. Step 6: Final answer
    x = 53,008.71

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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.