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Finding the Fourth Proportional to 250,033.47, 375,012.15 and 81,553.56

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Solution

The fourth proportional to 250,033.47, 375,012.15 and 81,553.56 is: 122,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,033.47 : 375,012.15 = 81,553.56 : x
  2. Step 2: Convert to fraction form
    250,033.47/375,012.15 = 81,553.56/x
  3. Step 3: Cross multiply
    250,033.47x = 375,012.15 × 81,553.56
  4. Step 4: Simplify right side
    250,033.47x = 30,583,575,875.75
  5. Step 5: Solve for x
    x = 30,583,575,875.75/250,033.47
  6. Step 6: Final answer
    x = 122,317.93

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1.5x scale

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.