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Finding the Fourth Proportional to 248,149.50, 371,752.29 and 141,607.50

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Solution

The fourth proportional to 248,149.50, 371,752.29 and 141,607.50 is: 212,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,149.50 : 371,752.29 = 141,607.50 : x
  2. Step 2: Convert to fraction form
    248,149.50/371,752.29 = 141,607.50/x
  3. Step 3: Cross multiply
    248,149.50x = 371,752.29 × 141,607.50
  4. Step 4: Simplify right side
    248,149.50x = 52,642,912,406.18
  5. Step 5: Solve for x
    x = 52,642,912,406.18/248,149.50
  6. Step 6: Final answer
    x = 212,141.92

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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.