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Finding the Fourth Proportional to 113,525.50, 156,670.05 and 63,224.50

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Solution

The fourth proportional to 113,525.50, 156,670.05 and 63,224.50 is: 87,252.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,525.50 : 156,670.05 = 63,224.50 : x
  2. Step 2: Convert to fraction form
    113,525.50/156,670.05 = 63,224.50/x
  3. Step 3: Cross multiply
    113,525.50x = 156,670.05 × 63,224.50
  4. Step 4: Simplify right side
    113,525.50x = 9,905,385,576.23
  5. Step 5: Solve for x
    x = 9,905,385,576.23/113,525.50
  6. Step 6: Final answer
    x = 87,252.52

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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.