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Finding the Fourth Proportional to 243,045.46, 335,349.01 and 141,011.79

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Solution

The fourth proportional to 243,045.46, 335,349.01 and 141,011.79 is: 194,565.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,045.46 : 335,349.01 = 141,011.79 : x
  2. Step 2: Convert to fraction form
    243,045.46/335,349.01 = 141,011.79/x
  3. Step 3: Cross multiply
    243,045.46x = 335,349.01 × 141,011.79
  4. Step 4: Simplify right side
    243,045.46x = 47,288,163,093.53
  5. Step 5: Solve for x
    x = 47,288,163,093.53/243,045.46
  6. Step 6: Final answer
    x = 194,565.09

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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.