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Finding the Fourth Proportional to 219,562.84, 302,997.81 and 118,960.84

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Solution

The fourth proportional to 219,562.84, 302,997.81 and 118,960.84 is: 164,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,562.84 : 302,997.81 = 118,960.84 : x
  2. Step 2: Convert to fraction form
    219,562.84/302,997.81 = 118,960.84/x
  3. Step 3: Cross multiply
    219,562.84x = 302,997.81 × 118,960.84
  4. Step 4: Simplify right side
    219,562.84x = 36,044,873,995.76
  5. Step 5: Solve for x
    x = 36,044,873,995.76/219,562.84
  6. Step 6: Final answer
    x = 164,166.55

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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.