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Finding the Fourth Proportional to 114,419.37, 157,908.06 and 63,448.08

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Solution

The fourth proportional to 114,419.37, 157,908.06 and 63,448.08 is: 87,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,419.37 : 157,908.06 = 63,448.08 : x
  2. Step 2: Convert to fraction form
    114,419.37/157,908.06 = 63,448.08/x
  3. Step 3: Cross multiply
    114,419.37x = 157,908.06 × 63,448.08
  4. Step 4: Simplify right side
    114,419.37x = 10,018,963,785.27
  5. Step 5: Solve for x
    x = 10,018,963,785.27/114,419.37
  6. Step 6: Final answer
    x = 87,563.53

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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.