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Finding the Fourth Proportional to 243,309.98, 335,581.17 and 146,412.82

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Solution

The fourth proportional to 243,309.98, 335,581.17 and 146,412.82 is: 201,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,309.98 : 335,581.17 = 146,412.82 : x
  2. Step 2: Convert to fraction form
    243,309.98/335,581.17 = 146,412.82/x
  3. Step 3: Cross multiply
    243,309.98x = 335,581.17 × 146,412.82
  4. Step 4: Simplify right side
    243,309.98x = 49,133,385,438.60
  5. Step 5: Solve for x
    x = 49,133,385,438.60/243,309.98
  6. Step 6: Final answer
    x = 201,937.40

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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.