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Finding the Fourth Proportional to 127,675.98, 191,513.97 and 38,927.52

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Solution

The fourth proportional to 127,675.98, 191,513.97 and 38,927.52 is: 58,391.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,675.98 : 191,513.97 = 38,927.52 : x
  2. Step 2: Convert to fraction form
    127,675.98/191,513.97 = 38,927.52/x
  3. Step 3: Cross multiply
    127,675.98x = 191,513.97 × 38,927.52
  4. Step 4: Simplify right side
    127,675.98x = 7,455,163,897.45
  5. Step 5: Solve for x
    x = 7,455,163,897.45/127,675.98
  6. Step 6: Final answer
    x = 58,391.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.