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Finding the Fourth Proportional to 178,648.94, 267,802.84 and 66,299.11

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Solution

The fourth proportional to 178,648.94, 267,802.84 and 66,299.11 is: 99,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,648.94 : 267,802.84 = 66,299.11 : x
  2. Step 2: Convert to fraction form
    178,648.94/267,802.84 = 66,299.11/x
  3. Step 3: Cross multiply
    178,648.94x = 267,802.84 × 66,299.11
  4. Step 4: Simplify right side
    178,648.94x = 17,755,089,360.84
  5. Step 5: Solve for x
    x = 17,755,089,360.84/178,648.94
  6. Step 6: Final answer
    x = 99,385.36

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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.