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Finding the Fourth Proportional to 178,256.40, 267,535.80 and 73,150.80

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Solution

The fourth proportional to 178,256.40, 267,535.80 and 73,150.80 is: 109,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,256.40 : 267,535.80 = 73,150.80 : x
  2. Step 2: Convert to fraction form
    178,256.40/267,535.80 = 73,150.80/x
  3. Step 3: Cross multiply
    178,256.40x = 267,535.80 × 73,150.80
  4. Step 4: Simplify right side
    178,256.40x = 19,570,457,798.64
  5. Step 5: Solve for x
    x = 19,570,457,798.64/178,256.40
  6. Step 6: Final answer
    x = 109,788.25

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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.