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Finding the Fourth Proportional to 127,200.88, 175,543.08 and 73,492.96

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Solution

The fourth proportional to 127,200.88, 175,543.08 and 73,492.96 is: 101,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,200.88 : 175,543.08 = 73,492.96 : x
  2. Step 2: Convert to fraction form
    127,200.88/175,543.08 = 73,492.96/x
  3. Step 3: Cross multiply
    127,200.88x = 175,543.08 × 73,492.96
  4. Step 4: Simplify right side
    127,200.88x = 12,901,180,556.72
  5. Step 5: Solve for x
    x = 12,901,180,556.72/127,200.88
  6. Step 6: Final answer
    x = 101,423.67

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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.