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Finding the Fourth Proportional to 127,320.54, 190,046.24 and 117,937.50

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Solution

The fourth proportional to 127,320.54, 190,046.24 and 117,937.50 is: 176,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,320.54 : 190,046.24 = 117,937.50 : x
  2. Step 2: Convert to fraction form
    127,320.54/190,046.24 = 117,937.50/x
  3. Step 3: Cross multiply
    127,320.54x = 190,046.24 × 117,937.50
  4. Step 4: Simplify right side
    127,320.54x = 22,413,577,840.31
  5. Step 5: Solve for x
    x = 22,413,577,840.31/127,320.54
  6. Step 6: Final answer
    x = 176,040.55

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.