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Finding the Fourth Proportional to 158,254.05, 218,492.46 and 141,229.08

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Solution

The fourth proportional to 158,254.05, 218,492.46 and 141,229.08 is: 194,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,254.05 : 218,492.46 = 141,229.08 : x
  2. Step 2: Convert to fraction form
    158,254.05/218,492.46 = 141,229.08/x
  3. Step 3: Cross multiply
    158,254.05x = 218,492.46 × 141,229.08
  4. Step 4: Simplify right side
    158,254.05x = 30,857,489,112.74
  5. Step 5: Solve for x
    x = 30,857,489,112.74/158,254.05
  6. Step 6: Final answer
    x = 194,987.04

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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.