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Finding the Fourth Proportional to 237,801.06, 328,168.20 and 135,840.06

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Solution

The fourth proportional to 237,801.06, 328,168.20 and 135,840.06 is: 187,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,801.06 : 328,168.20 = 135,840.06 : x
  2. Step 2: Convert to fraction form
    237,801.06/328,168.20 = 135,840.06/x
  3. Step 3: Cross multiply
    237,801.06x = 328,168.20 × 135,840.06
  4. Step 4: Simplify right side
    237,801.06x = 44,578,387,978.09
  5. Step 5: Solve for x
    x = 44,578,387,978.09/237,801.06
  6. Step 6: Final answer
    x = 187,460.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.