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Finding the Fourth Proportional to 272,687.06, 376,303.64 and 159,528.98

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Solution

The fourth proportional to 272,687.06, 376,303.64 and 159,528.98 is: 220,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,687.06 : 376,303.64 = 159,528.98 : x
  2. Step 2: Convert to fraction form
    272,687.06/376,303.64 = 159,528.98/x
  3. Step 3: Cross multiply
    272,687.06x = 376,303.64 × 159,528.98
  4. Step 4: Simplify right side
    272,687.06x = 60,031,335,859.49
  5. Step 5: Solve for x
    x = 60,031,335,859.49/272,687.06
  6. Step 6: Final answer
    x = 220,147.36

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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.