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Finding the Fourth Proportional to 173,087.88, 238,506.42 and 127,693.86

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Solution

The fourth proportional to 173,087.88, 238,506.42 and 127,693.86 is: 175,955.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,087.88 : 238,506.42 = 127,693.86 : x
  2. Step 2: Convert to fraction form
    173,087.88/238,506.42 = 127,693.86/x
  3. Step 3: Cross multiply
    173,087.88x = 238,506.42 × 127,693.86
  4. Step 4: Simplify right side
    173,087.88x = 30,455,805,404.58
  5. Step 5: Solve for x
    x = 30,455,805,404.58/173,087.88
  6. Step 6: Final answer
    x = 175,955.74

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1.5x scale

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.