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Finding the Fourth Proportional to 178,383.60, 267,575.40 and 73,148.40

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Solution

The fourth proportional to 178,383.60, 267,575.40 and 73,148.40 is: 109,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,383.60 : 267,575.40 = 73,148.40 : x
  2. Step 2: Convert to fraction form
    178,383.60/267,575.40 = 73,148.40/x
  3. Step 3: Cross multiply
    178,383.60x = 267,575.40 × 73,148.40
  4. Step 4: Simplify right side
    178,383.60x = 19,572,712,389.36
  5. Step 5: Solve for x
    x = 19,572,712,389.36/178,383.60
  6. Step 6: Final answer
    x = 109,722.60

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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.