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Finding the Fourth Proportional to 114,029.28, 157,360.62 and 63,728.28

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Solution

The fourth proportional to 114,029.28, 157,360.62 and 63,728.28 is: 87,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,029.28 : 157,360.62 = 63,728.28 : x
  2. Step 2: Convert to fraction form
    114,029.28/157,360.62 = 63,728.28/x
  3. Step 3: Cross multiply
    114,029.28x = 157,360.62 × 63,728.28
  4. Step 4: Simplify right side
    114,029.28x = 10,028,321,652.33
  5. Step 5: Solve for x
    x = 10,028,321,652.33/114,029.28
  6. Step 6: Final answer
    x = 87,945.15

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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.