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Finding the Fourth Proportional to 127,031.53, 175,275.53 and 73,305.14

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Solution

The fourth proportional to 127,031.53, 175,275.53 and 73,305.14 is: 101,144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,031.53 : 175,275.53 = 73,305.14 : x
  2. Step 2: Convert to fraction form
    127,031.53/175,275.53 = 73,305.14/x
  3. Step 3: Cross multiply
    127,031.53x = 175,275.53 × 73,305.14
  4. Step 4: Simplify right side
    127,031.53x = 12,848,597,265.22
  5. Step 5: Solve for x
    x = 12,848,597,265.22/127,031.53
  6. Step 6: Final answer
    x = 101,144.95

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1.5x scale

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.