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Finding the Fourth Proportional to 250,329.70, 375,532.23 and 72,813.34

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Solution

The fourth proportional to 250,329.70, 375,532.23 and 72,813.34 is: 109,230.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,329.70 : 375,532.23 = 72,813.34 : x
  2. Step 2: Convert to fraction form
    250,329.70/375,532.23 = 72,813.34/x
  3. Step 3: Cross multiply
    250,329.70x = 375,532.23 × 72,813.34
  4. Step 4: Simplify right side
    250,329.70x = 27,343,754,066.29
  5. Step 5: Solve for x
    x = 27,343,754,066.29/250,329.70
  6. Step 6: Final answer
    x = 109,230.96

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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.