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Finding the Fourth Proportional to 123,645.93, 185,503.65 and 34,900.20

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Solution

The fourth proportional to 123,645.93, 185,503.65 and 34,900.20 is: 52,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,645.93 : 185,503.65 = 34,900.20 : x
  2. Step 2: Convert to fraction form
    123,645.93/185,503.65 = 34,900.20/x
  3. Step 3: Cross multiply
    123,645.93x = 185,503.65 × 34,900.20
  4. Step 4: Simplify right side
    123,645.93x = 6,474,114,485.73
  5. Step 5: Solve for x
    x = 6,474,114,485.73/123,645.93
  6. Step 6: Final answer
    x = 52,360.11

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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.