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Finding the Fourth Proportional to 178,807.51, 267,827.32 and 168,339.07

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Solution

The fourth proportional to 178,807.51, 267,827.32 and 168,339.07 is: 252,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,807.51 : 267,827.32 = 168,339.07 : x
  2. Step 2: Convert to fraction form
    178,807.51/267,827.32 = 168,339.07/x
  3. Step 3: Cross multiply
    178,807.51x = 267,827.32 × 168,339.07
  4. Step 4: Simplify right side
    178,807.51x = 45,085,801,969.39
  5. Step 5: Solve for x
    x = 45,085,801,969.39/178,807.51
  6. Step 6: Final answer
    x = 252,147.14

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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.