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Finding the Fourth Proportional to 243,943.92, 336,598.34 and 140,562

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Solution

The fourth proportional to 243,943.92, 336,598.34 and 140,562 is: 193,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,943.92 : 336,598.34 = 140,562 : x
  2. Step 2: Convert to fraction form
    243,943.92/336,598.34 = 140,562/x
  3. Step 3: Cross multiply
    243,943.92x = 336,598.34 × 140,562
  4. Step 4: Simplify right side
    243,943.92x = 47,312,935,164.27
  5. Step 5: Solve for x
    x = 47,312,935,164.27/243,943.92
  6. Step 6: Final answer
    x = 193,950.05

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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.