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Finding the Fourth Proportional to 113,532.63, 156,675.02 and 63,231.63

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Solution

The fourth proportional to 113,532.63, 156,675.02 and 63,231.63 is: 87,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,532.63 : 156,675.02 = 63,231.63 : x
  2. Step 2: Convert to fraction form
    113,532.63/156,675.02 = 63,231.63/x
  3. Step 3: Cross multiply
    113,532.63x = 156,675.02 × 63,231.63
  4. Step 4: Simplify right side
    113,532.63x = 9,906,816,894.88
  5. Step 5: Solve for x
    x = 9,906,816,894.88/113,532.63
  6. Step 6: Final answer
    x = 87,259.64

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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.