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Finding the Fourth Proportional to 178,638.72, 267,955.32 and 60,393.12

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Solution

The fourth proportional to 178,638.72, 267,955.32 and 60,393.12 is: 90,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,638.72 : 267,955.32 = 60,393.12 : x
  2. Step 2: Convert to fraction form
    178,638.72/267,955.32 = 60,393.12/x
  3. Step 3: Cross multiply
    178,638.72x = 267,955.32 × 60,393.12
  4. Step 4: Simplify right side
    178,638.72x = 16,182,657,795.40
  5. Step 5: Solve for x
    x = 16,182,657,795.40/178,638.72
  6. Step 6: Final answer
    x = 90,588.75

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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.