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Finding the Fourth Proportional to 178,383.15, 246,171.11 and 97,810.47

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Solution

The fourth proportional to 178,383.15, 246,171.11 and 97,810.47 is: 134,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,383.15 : 246,171.11 = 97,810.47 : x
  2. Step 2: Convert to fraction form
    178,383.15/246,171.11 = 97,810.47/x
  3. Step 3: Cross multiply
    178,383.15x = 246,171.11 × 97,810.47
  4. Step 4: Simplify right side
    178,383.15x = 24,078,111,480.47
  5. Step 5: Solve for x
    x = 24,078,111,480.47/178,383.15
  6. Step 6: Final answer
    x = 134,979.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.