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Finding the Fourth Proportional to 113,801.76, 157,062.24 and 63,504

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Solution

The fourth proportional to 113,801.76, 157,062.24 and 63,504 is: 87,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.76 : 157,062.24 = 63,504 : x
  2. Step 2: Convert to fraction form
    113,801.76/157,062.24 = 63,504/x
  3. Step 3: Cross multiply
    113,801.76x = 157,062.24 × 63,504
  4. Step 4: Simplify right side
    113,801.76x = 9,974,080,488.96
  5. Step 5: Solve for x
    x = 9,974,080,488.96/113,801.76
  6. Step 6: Final answer
    x = 87,644.34

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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.