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Finding the Fourth Proportional to 158,392.80, 237,151.80 and 123,400.80

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Solution

The fourth proportional to 158,392.80, 237,151.80 and 123,400.80 is: 184,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,392.80 : 237,151.80 = 123,400.80 : x
  2. Step 2: Convert to fraction form
    158,392.80/237,151.80 = 123,400.80/x
  3. Step 3: Cross multiply
    158,392.80x = 237,151.80 × 123,400.80
  4. Step 4: Simplify right side
    158,392.80x = 29,264,721,841.44
  5. Step 5: Solve for x
    x = 29,264,721,841.44/158,392.80
  6. Step 6: Final answer
    x = 184,760.43

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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.