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Finding the Fourth Proportional to 127,303.94, 175,659.90 and 73,578.53

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Solution

The fourth proportional to 127,303.94, 175,659.90 and 73,578.53 is: 101,527.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,303.94 : 175,659.90 = 73,578.53 : x
  2. Step 2: Convert to fraction form
    127,303.94/175,659.90 = 73,578.53/x
  3. Step 3: Cross multiply
    127,303.94x = 175,659.90 × 73,578.53
  4. Step 4: Simplify right side
    127,303.94x = 12,924,797,221.95
  5. Step 5: Solve for x
    x = 12,924,797,221.95/127,303.94
  6. Step 6: Final answer
    x = 101,527.08

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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.