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Finding the Fourth Proportional to 113,852.25, 157,116.24 and 63,551.25

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Solution

The fourth proportional to 113,852.25, 157,116.24 and 63,551.25 is: 87,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,852.25 : 157,116.24 = 63,551.25 : x
  2. Step 2: Convert to fraction form
    113,852.25/157,116.24 = 63,551.25/x
  3. Step 3: Cross multiply
    113,852.25x = 157,116.24 × 63,551.25
  4. Step 4: Simplify right side
    113,852.25x = 9,984,933,447.30
  5. Step 5: Solve for x
    x = 9,984,933,447.30/113,852.25
  6. Step 6: Final answer
    x = 87,700.80

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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.