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Finding the Fourth Proportional to 372,051.44, 558,064.80 and 161,689.58

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Solution

The fourth proportional to 372,051.44, 558,064.80 and 161,689.58 is: 242,529.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,051.44 : 558,064.80 = 161,689.58 : x
  2. Step 2: Convert to fraction form
    372,051.44/558,064.80 = 161,689.58/x
  3. Step 3: Cross multiply
    372,051.44x = 558,064.80 × 161,689.58
  4. Step 4: Simplify right side
    372,051.44x = 90,233,263,124.78
  5. Step 5: Solve for x
    x = 90,233,263,124.78/372,051.44
  6. Step 6: Final answer
    x = 242,529.00

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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.