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Finding the Fourth Proportional to 185,510.68, 255,816.12 and 158,741.80

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Solution

The fourth proportional to 185,510.68, 255,816.12 and 158,741.80 is: 218,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,510.68 : 255,816.12 = 158,741.80 : x
  2. Step 2: Convert to fraction form
    185,510.68/255,816.12 = 158,741.80/x
  3. Step 3: Cross multiply
    185,510.68x = 255,816.12 × 158,741.80
  4. Step 4: Simplify right side
    185,510.68x = 40,608,711,357.82
  5. Step 5: Solve for x
    x = 40,608,711,357.82/185,510.68
  6. Step 6: Final answer
    x = 218,902.28

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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.