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Finding the Fourth Proportional to 113,801.88, 157,051.52 and 63,500.88

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Solution

The fourth proportional to 113,801.88, 157,051.52 and 63,500.88 is: 87,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.88 : 157,051.52 = 63,500.88 : x
  2. Step 2: Convert to fraction form
    113,801.88/157,051.52 = 63,500.88/x
  3. Step 3: Cross multiply
    113,801.88x = 157,051.52 × 63,500.88
  4. Step 4: Simplify right side
    113,801.88x = 9,972,909,725.34
  5. Step 5: Solve for x
    x = 9,972,909,725.34/113,801.88
  6. Step 6: Final answer
    x = 87,633.96

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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.