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Finding the Fourth Proportional to 238,363.29, 328,861.03 and 134,983.32

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Solution

The fourth proportional to 238,363.29, 328,861.03 and 134,983.32 is: 186,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,363.29 : 328,861.03 = 134,983.32 : x
  2. Step 2: Convert to fraction form
    238,363.29/328,861.03 = 134,983.32/x
  3. Step 3: Cross multiply
    238,363.29x = 328,861.03 × 134,983.32
  4. Step 4: Simplify right side
    238,363.29x = 44,390,754,638.90
  5. Step 5: Solve for x
    x = 44,390,754,638.90/238,363.29
  6. Step 6: Final answer
    x = 186,231.51

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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.