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Finding the Fourth Proportional to 127,030.53, 175,274.15 and 73,304.14

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Solution

The fourth proportional to 127,030.53, 175,274.15 and 73,304.14 is: 101,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,030.53 : 175,274.15 = 73,304.14 : x
  2. Step 2: Convert to fraction form
    127,030.53/175,274.15 = 73,304.14/x
  3. Step 3: Cross multiply
    127,030.53x = 175,274.15 × 73,304.14
  4. Step 4: Simplify right side
    127,030.53x = 12,848,320,972.42
  5. Step 5: Solve for x
    x = 12,848,320,972.42/127,030.53
  6. Step 6: Final answer
    x = 101,143.57

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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.