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Finding the Fourth Proportional to 178,573.48, 267,860.24 and 139,160.12

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Solution

The fourth proportional to 178,573.48, 267,860.24 and 139,160.12 is: 208,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,573.48 : 267,860.24 = 139,160.12 : x
  2. Step 2: Convert to fraction form
    178,573.48/267,860.24 = 139,160.12/x
  3. Step 3: Cross multiply
    178,573.48x = 267,860.24 × 139,160.12
  4. Step 4: Simplify right side
    178,573.48x = 37,275,463,141.63
  5. Step 5: Solve for x
    x = 37,275,463,141.63/178,573.48
  6. Step 6: Final answer
    x = 208,740.20

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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.