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Finding the Fourth Proportional to 178,569.60, 267,854.13 and 73,314.42

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Solution

The fourth proportional to 178,569.60, 267,854.13 and 73,314.42 is: 109,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,569.60 : 267,854.13 = 73,314.42 : x
  2. Step 2: Convert to fraction form
    178,569.60/267,854.13 = 73,314.42/x
  3. Step 3: Cross multiply
    178,569.60x = 267,854.13 × 73,314.42
  4. Step 4: Simplify right side
    178,569.60x = 19,637,570,185.55
  5. Step 5: Solve for x
    x = 19,637,570,185.55/178,569.60
  6. Step 6: Final answer
    x = 109,971.52

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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.