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Finding the Fourth Proportional to 264,079.63, 364,476.47 and 156,708.87

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Solution

The fourth proportional to 264,079.63, 364,476.47 and 156,708.87 is: 216,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,079.63 : 364,476.47 = 156,708.87 : x
  2. Step 2: Convert to fraction form
    264,079.63/364,476.47 = 156,708.87/x
  3. Step 3: Cross multiply
    264,079.63x = 364,476.47 × 156,708.87
  4. Step 4: Simplify right side
    264,079.63x = 57,116,695,755.29
  5. Step 5: Solve for x
    x = 57,116,695,755.29/264,079.63
  6. Step 6: Final answer
    x = 216,285.88

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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.