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Finding the Fourth Proportional to 209,359.84, 313,992.60 and 59,596.82

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Solution

The fourth proportional to 209,359.84, 313,992.60 and 59,596.82 is: 89,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,359.84 : 313,992.60 = 59,596.82 : x
  2. Step 2: Convert to fraction form
    209,359.84/313,992.60 = 59,596.82/x
  3. Step 3: Cross multiply
    209,359.84x = 313,992.60 × 59,596.82
  4. Step 4: Simplify right side
    209,359.84x = 18,712,960,463.53
  5. Step 5: Solve for x
    x = 18,712,960,463.53/209,359.84
  6. Step 6: Final answer
    x = 89,381.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.