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Finding the Fourth Proportional to 237,992.94, 328,409.34 and 135,998.16

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Solution

The fourth proportional to 237,992.94, 328,409.34 and 135,998.16 is: 187,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,992.94 : 328,409.34 = 135,998.16 : x
  2. Step 2: Convert to fraction form
    237,992.94/328,409.34 = 135,998.16/x
  3. Step 3: Cross multiply
    237,992.94x = 328,409.34 × 135,998.16
  4. Step 4: Simplify right side
    237,992.94x = 44,663,065,966.81
  5. Step 5: Solve for x
    x = 44,663,065,966.81/237,992.94
  6. Step 6: Final answer
    x = 187,665.51

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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.