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Finding the Fourth Proportional to 158,587.80, 237,922.20 and 111,931.80

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Solution

The fourth proportional to 158,587.80, 237,922.20 and 111,931.80 is: 167,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,587.80 : 237,922.20 = 111,931.80 : x
  2. Step 2: Convert to fraction form
    158,587.80/237,922.20 = 111,931.80/x
  3. Step 3: Cross multiply
    158,587.80x = 237,922.20 × 111,931.80
  4. Step 4: Simplify right side
    158,587.80x = 26,631,060,105.96
  5. Step 5: Solve for x
    x = 26,631,060,105.96/158,587.80
  6. Step 6: Final answer
    x = 167,926.29

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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.