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Finding the Fourth Proportional to 178,883.67, 246,859.64 and 98,309.46

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Solution

The fourth proportional to 178,883.67, 246,859.64 and 98,309.46 is: 135,667.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,883.67 : 246,859.64 = 98,309.46 : x
  2. Step 2: Convert to fraction form
    178,883.67/246,859.64 = 98,309.46/x
  3. Step 3: Cross multiply
    178,883.67x = 246,859.64 × 98,309.46
  4. Step 4: Simplify right side
    178,883.67x = 24,268,637,904.19
  5. Step 5: Solve for x
    x = 24,268,637,904.19/178,883.67
  6. Step 6: Final answer
    x = 135,667.15

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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.