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Finding the Fourth Proportional to 114,445.35, 157,933.81 and 63,458.07

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Solution

The fourth proportional to 114,445.35, 157,933.81 and 63,458.07 is: 87,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,445.35 : 157,933.81 = 63,458.07 : x
  2. Step 2: Convert to fraction form
    114,445.35/157,933.81 = 63,458.07/x
  3. Step 3: Cross multiply
    114,445.35x = 157,933.81 × 63,458.07
  4. Step 4: Simplify right side
    114,445.35x = 10,022,174,375.51
  5. Step 5: Solve for x
    x = 10,022,174,375.51/114,445.35
  6. Step 6: Final answer
    x = 87,571.70

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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.