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Finding the Fourth Proportional to 152,238.70, 228,358.05 and 149,614.30

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Solution

The fourth proportional to 152,238.70, 228,358.05 and 149,614.30 is: 224,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,238.70 : 228,358.05 = 149,614.30 : x
  2. Step 2: Convert to fraction form
    152,238.70/228,358.05 = 149,614.30/x
  3. Step 3: Cross multiply
    152,238.70x = 228,358.05 × 149,614.30
  4. Step 4: Simplify right side
    152,238.70x = 34,165,629,800.12
  5. Step 5: Solve for x
    x = 34,165,629,800.12/152,238.70
  6. Step 6: Final answer
    x = 224,421.45

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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.