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Finding the Fourth Proportional to 261,700.52, 361,124.64 and 158,373.41

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Solution

The fourth proportional to 261,700.52, 361,124.64 and 158,373.41 is: 218,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,700.52 : 361,124.64 = 158,373.41 : x
  2. Step 2: Convert to fraction form
    261,700.52/361,124.64 = 158,373.41/x
  3. Step 3: Cross multiply
    261,700.52x = 361,124.64 × 158,373.41
  4. Step 4: Simplify right side
    261,700.52x = 57,192,538,866.20
  5. Step 5: Solve for x
    x = 57,192,538,866.20/261,700.52
  6. Step 6: Final answer
    x = 218,541.94

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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.