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Finding the Fourth Proportional to 113,770.98, 156,998.25 and 63,460.26

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Solution

The fourth proportional to 113,770.98, 156,998.25 and 63,460.26 is: 87,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,770.98 : 156,998.25 = 63,460.26 : x
  2. Step 2: Convert to fraction form
    113,770.98/156,998.25 = 63,460.26/x
  3. Step 3: Cross multiply
    113,770.98x = 156,998.25 × 63,460.26
  4. Step 4: Simplify right side
    113,770.98x = 9,963,149,764.55
  5. Step 5: Solve for x
    x = 9,963,149,764.55/113,770.98
  6. Step 6: Final answer
    x = 87,571.98

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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.