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Finding the Fourth Proportional to 178,172.44, 267,307.86 and 158,587.86

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Solution

The fourth proportional to 178,172.44, 267,307.86 and 158,587.86 is: 237,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,172.44 : 267,307.86 = 158,587.86 : x
  2. Step 2: Convert to fraction form
    178,172.44/267,307.86 = 158,587.86/x
  3. Step 3: Cross multiply
    178,172.44x = 267,307.86 × 158,587.86
  4. Step 4: Simplify right side
    178,172.44x = 42,391,781,478.58
  5. Step 5: Solve for x
    x = 42,391,781,478.58/178,172.44
  6. Step 6: Final answer
    x = 237,925.58

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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.