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Finding the Fourth Proportional to 127,377.35, 175,776.94 and 72,927.71

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Solution

The fourth proportional to 127,377.35, 175,776.94 and 72,927.71 is: 100,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,377.35 : 175,776.94 = 72,927.71 : x
  2. Step 2: Convert to fraction form
    127,377.35/175,776.94 = 72,927.71/x
  3. Step 3: Cross multiply
    127,377.35x = 175,776.94 × 72,927.71
  4. Step 4: Simplify right side
    127,377.35x = 12,819,009,705.01
  5. Step 5: Solve for x
    x = 12,819,009,705.01/127,377.35
  6. Step 6: Final answer
    x = 100,638.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.