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Finding the Fourth Proportional to 162,976.80, 244,465.20 and 157,533.60

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Solution

The fourth proportional to 162,976.80, 244,465.20 and 157,533.60 is: 236,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,976.80 : 244,465.20 = 157,533.60 : x
  2. Step 2: Convert to fraction form
    162,976.80/244,465.20 = 157,533.60/x
  3. Step 3: Cross multiply
    162,976.80x = 244,465.20 × 157,533.60
  4. Step 4: Simplify right side
    162,976.80x = 38,511,483,030.72
  5. Step 5: Solve for x
    x = 38,511,483,030.72/162,976.80
  6. Step 6: Final answer
    x = 236,300.40

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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.