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Finding the Fourth Proportional to 266,337.64, 367,624.74 and 153,240.04

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Solution

The fourth proportional to 266,337.64, 367,624.74 and 153,240.04 is: 211,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,337.64 : 367,624.74 = 153,240.04 : x
  2. Step 2: Convert to fraction form
    266,337.64/367,624.74 = 153,240.04/x
  3. Step 3: Cross multiply
    266,337.64x = 367,624.74 × 153,240.04
  4. Step 4: Simplify right side
    266,337.64x = 56,334,829,862.59
  5. Step 5: Solve for x
    x = 56,334,829,862.59/266,337.64
  6. Step 6: Final answer
    x = 211,516.59

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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.