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Finding the Fourth Proportional to 264,085.53, 364,404.53 and 156,634.58

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Solution

The fourth proportional to 264,085.53, 364,404.53 and 156,634.58 is: 216,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,085.53 : 364,404.53 = 156,634.58 : x
  2. Step 2: Convert to fraction form
    264,085.53/364,404.53 = 156,634.58/x
  3. Step 3: Cross multiply
    264,085.53x = 364,404.53 × 156,634.58
  4. Step 4: Simplify right side
    264,085.53x = 57,078,347,901.45
  5. Step 5: Solve for x
    x = 57,078,347,901.45/264,085.53
  6. Step 6: Final answer
    x = 216,135.84

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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.