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Finding the Fourth Proportional to 114,166.82, 157,544.62 and 63,178.64

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Solution

The fourth proportional to 114,166.82, 157,544.62 and 63,178.64 is: 87,183.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,166.82 : 157,544.62 = 63,178.64 : x
  2. Step 2: Convert to fraction form
    114,166.82/157,544.62 = 63,178.64/x
  3. Step 3: Cross multiply
    114,166.82x = 157,544.62 × 63,178.64
  4. Step 4: Simplify right side
    114,166.82x = 9,953,454,830.92
  5. Step 5: Solve for x
    x = 9,953,454,830.92/114,166.82
  6. Step 6: Final answer
    x = 87,183.43

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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.