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Finding the Fourth Proportional to 157,267.79, 235,704.95 and 123,855.90

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Solution

The fourth proportional to 157,267.79, 235,704.95 and 123,855.90 is: 185,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,267.79 : 235,704.95 = 123,855.90 : x
  2. Step 2: Convert to fraction form
    157,267.79/235,704.95 = 123,855.90/x
  3. Step 3: Cross multiply
    157,267.79x = 235,704.95 × 123,855.90
  4. Step 4: Simplify right side
    157,267.79x = 29,193,447,538.18
  5. Step 5: Solve for x
    x = 29,193,447,538.18/157,267.79
  6. Step 6: Final answer
    x = 185,628.90

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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.