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Finding the Fourth Proportional to 272,720.32, 376,263.84 and 159,462.88

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Solution

The fourth proportional to 272,720.32, 376,263.84 and 159,462.88 is: 220,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,720.32 : 376,263.84 = 159,462.88 : x
  2. Step 2: Convert to fraction form
    272,720.32/376,263.84 = 159,462.88/x
  3. Step 3: Cross multiply
    272,720.32x = 376,263.84 × 159,462.88
  4. Step 4: Simplify right side
    272,720.32x = 60,000,115,566.26
  5. Step 5: Solve for x
    x = 60,000,115,566.26/272,720.32
  6. Step 6: Final answer
    x = 220,006.03

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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.