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Finding the Fourth Proportional to 266,128.79, 367,202.88 and 152,929.67

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Solution

The fourth proportional to 266,128.79, 367,202.88 and 152,929.67 is: 211,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,128.79 : 367,202.88 = 152,929.67 : x
  2. Step 2: Convert to fraction form
    266,128.79/367,202.88 = 152,929.67/x
  3. Step 3: Cross multiply
    266,128.79x = 367,202.88 × 152,929.67
  4. Step 4: Simplify right side
    266,128.79x = 56,156,213,425.44
  5. Step 5: Solve for x
    x = 56,156,213,425.44/266,128.79
  6. Step 6: Final answer
    x = 211,011.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.