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Finding the Fourth Proportional to 178,135.77, 267,136.74 and 58,164.69

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Solution

The fourth proportional to 178,135.77, 267,136.74 and 58,164.69 is: 87,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,135.77 : 267,136.74 = 58,164.69 : x
  2. Step 2: Convert to fraction form
    178,135.77/267,136.74 = 58,164.69/x
  3. Step 3: Cross multiply
    178,135.77x = 267,136.74 × 58,164.69
  4. Step 4: Simplify right side
    178,135.77x = 15,537,925,669.71
  5. Step 5: Solve for x
    x = 15,537,925,669.71/178,135.77
  6. Step 6: Final answer
    x = 87,225.19

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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.