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Finding the Fourth Proportional to 180,484.96, 248,960.28 and 115,932.48

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Solution

The fourth proportional to 180,484.96, 248,960.28 and 115,932.48 is: 159,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,484.96 : 248,960.28 = 115,932.48 : x
  2. Step 2: Convert to fraction form
    180,484.96/248,960.28 = 115,932.48/x
  3. Step 3: Cross multiply
    180,484.96x = 248,960.28 × 115,932.48
  4. Step 4: Simplify right side
    180,484.96x = 28,862,582,681.89
  5. Step 5: Solve for x
    x = 28,862,582,681.89/180,484.96
  6. Step 6: Final answer
    x = 159,916.83

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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.