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Finding the Fourth Proportional to 162,030.80, 243,046.20 and 114,791.60

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Solution

The fourth proportional to 162,030.80, 243,046.20 and 114,791.60 is: 172,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,030.80 : 243,046.20 = 114,791.60 : x
  2. Step 2: Convert to fraction form
    162,030.80/243,046.20 = 114,791.60/x
  3. Step 3: Cross multiply
    162,030.80x = 243,046.20 × 114,791.60
  4. Step 4: Simplify right side
    162,030.80x = 27,899,662,171.92
  5. Step 5: Solve for x
    x = 27,899,662,171.92/162,030.80
  6. Step 6: Final answer
    x = 172,187.40

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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.