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Finding the Fourth Proportional to 157,353.48, 237,216.52 and 147,205.80

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Solution

The fourth proportional to 157,353.48, 237,216.52 and 147,205.80 is: 221,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,353.48 : 237,216.52 = 147,205.80 : x
  2. Step 2: Convert to fraction form
    157,353.48/237,216.52 = 147,205.80/x
  3. Step 3: Cross multiply
    157,353.48x = 237,216.52 × 147,205.80
  4. Step 4: Simplify right side
    157,353.48x = 34,919,647,599.82
  5. Step 5: Solve for x
    x = 34,919,647,599.82/157,353.48
  6. Step 6: Final answer
    x = 221,918.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.