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Finding the Fourth Proportional to 266,133.92, 367,290 and 153,022.88

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Solution

The fourth proportional to 266,133.92, 367,290 and 153,022.88 is: 211,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,133.92 : 367,290 = 153,022.88 : x
  2. Step 2: Convert to fraction form
    266,133.92/367,290 = 153,022.88/x
  3. Step 3: Cross multiply
    266,133.92x = 367,290 × 153,022.88
  4. Step 4: Simplify right side
    266,133.92x = 56,203,773,595.20
  5. Step 5: Solve for x
    x = 56,203,773,595.20/266,133.92
  6. Step 6: Final answer
    x = 211,186.06

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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.