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Finding the Fourth Proportional to 154,090.80, 231,354.90 and 95,041.80

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Solution

The fourth proportional to 154,090.80, 231,354.90 and 95,041.80 is: 142,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,090.80 : 231,354.90 = 95,041.80 : x
  2. Step 2: Convert to fraction form
    154,090.80/231,354.90 = 95,041.80/x
  3. Step 3: Cross multiply
    154,090.80x = 231,354.90 × 95,041.80
  4. Step 4: Simplify right side
    154,090.80x = 21,988,386,134.82
  5. Step 5: Solve for x
    x = 21,988,386,134.82/154,090.80
  6. Step 6: Final answer
    x = 142,697.59

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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.