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Finding the Fourth Proportional to 162,986.80, 244,480.20 and 157,543.60

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Solution

The fourth proportional to 162,986.80, 244,480.20 and 157,543.60 is: 236,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,986.80 : 244,480.20 = 157,543.60 : x
  2. Step 2: Convert to fraction form
    162,986.80/244,480.20 = 157,543.60/x
  3. Step 3: Cross multiply
    162,986.80x = 244,480.20 × 157,543.60
  4. Step 4: Simplify right side
    162,986.80x = 38,516,290,836.72
  5. Step 5: Solve for x
    x = 38,516,290,836.72/162,986.80
  6. Step 6: Final answer
    x = 236,315.40

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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.