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Finding the Fourth Proportional to 153,161.80, 229,224.30 and 134,499.40

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Solution

The fourth proportional to 153,161.80, 229,224.30 and 134,499.40 is: 201,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,161.80 : 229,224.30 = 134,499.40 : x
  2. Step 2: Convert to fraction form
    153,161.80/229,224.30 = 134,499.40/x
  3. Step 3: Cross multiply
    153,161.80x = 229,224.30 × 134,499.40
  4. Step 4: Simplify right side
    153,161.80x = 30,830,530,815.42
  5. Step 5: Solve for x
    x = 30,830,530,815.42/153,161.80
  6. Step 6: Final answer
    x = 201,293.87

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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.