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Finding the Fourth Proportional to 127,917.49, 176,523.04 and 70,555.58

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Solution

The fourth proportional to 127,917.49, 176,523.04 and 70,555.58 is: 97,364.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,917.49 : 176,523.04 = 70,555.58 : x
  2. Step 2: Convert to fraction form
    127,917.49/176,523.04 = 70,555.58/x
  3. Step 3: Cross multiply
    127,917.49x = 176,523.04 × 70,555.58
  4. Step 4: Simplify right side
    127,917.49x = 12,454,684,947.17
  5. Step 5: Solve for x
    x = 12,454,684,947.17/127,917.49
  6. Step 6: Final answer
    x = 97,364.99

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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.