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Finding the Fourth Proportional to 178,346.40, 267,649.20 and 73,240.80

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Solution

The fourth proportional to 178,346.40, 267,649.20 and 73,240.80 is: 109,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,346.40 : 267,649.20 = 73,240.80 : x
  2. Step 2: Convert to fraction form
    178,346.40/267,649.20 = 73,240.80/x
  3. Step 3: Cross multiply
    178,346.40x = 267,649.20 × 73,240.80
  4. Step 4: Simplify right side
    178,346.40x = 19,602,841,527.36
  5. Step 5: Solve for x
    x = 19,602,841,527.36/178,346.40
  6. Step 6: Final answer
    x = 109,914.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.