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Finding the Fourth Proportional to 123,458.40, 185,187.60 and 29,964.15

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Solution

The fourth proportional to 123,458.40, 185,187.60 and 29,964.15 is: 44,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,458.40 : 185,187.60 = 29,964.15 : x
  2. Step 2: Convert to fraction form
    123,458.40/185,187.60 = 29,964.15/x
  3. Step 3: Cross multiply
    123,458.40x = 185,187.60 × 29,964.15
  4. Step 4: Simplify right side
    123,458.40x = 5,548,989,024.54
  5. Step 5: Solve for x
    x = 5,548,989,024.54/123,458.40
  6. Step 6: Final answer
    x = 44,946.23

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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.