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Finding the Fourth Proportional to 372,045.65, 558,056.00 and 161,683.58

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Solution

The fourth proportional to 372,045.65, 558,056.00 and 161,683.58 is: 242,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,045.65 : 558,056.00 = 161,683.58 : x
  2. Step 2: Convert to fraction form
    372,045.65/558,056.00 = 161,683.58/x
  3. Step 3: Cross multiply
    372,045.65x = 558,056.00 × 161,683.58
  4. Step 4: Simplify right side
    372,045.65x = 90,228,488,321.78
  5. Step 5: Solve for x
    x = 90,228,488,321.78/372,045.65
  6. Step 6: Final answer
    x = 242,519.94

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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.