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Finding the Fourth Proportional to 127,303.56, 175,659.39 and 73,578.23

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Solution

The fourth proportional to 127,303.56, 175,659.39 and 73,578.23 is: 101,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,303.56 : 175,659.39 = 73,578.23 : x
  2. Step 2: Convert to fraction form
    127,303.56/175,659.39 = 73,578.23/x
  3. Step 3: Cross multiply
    127,303.56x = 175,659.39 × 73,578.23
  4. Step 4: Simplify right side
    127,303.56x = 12,924,706,120.78
  5. Step 5: Solve for x
    x = 12,924,706,120.78/127,303.56
  6. Step 6: Final answer
    x = 101,526.67

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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.