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Finding the Fourth Proportional to 153,596.28, 230,359.86 and 55,100.28

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Solution

The fourth proportional to 153,596.28, 230,359.86 and 55,100.28 is: 82,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,596.28 : 230,359.86 = 55,100.28 : x
  2. Step 2: Convert to fraction form
    153,596.28/230,359.86 = 55,100.28/x
  3. Step 3: Cross multiply
    153,596.28x = 230,359.86 × 55,100.28
  4. Step 4: Simplify right side
    153,596.28x = 12,692,892,786.76
  5. Step 5: Solve for x
    x = 12,692,892,786.76/153,596.28
  6. Step 6: Final answer
    x = 82,638.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.