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Finding the Fourth Proportional to 219,262.80, 302,583.60 and 118,660.80

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Solution

The fourth proportional to 219,262.80, 302,583.60 and 118,660.80 is: 163,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,262.80 : 302,583.60 = 118,660.80 : x
  2. Step 2: Convert to fraction form
    219,262.80/302,583.60 = 118,660.80/x
  3. Step 3: Cross multiply
    219,262.80x = 302,583.60 × 118,660.80
  4. Step 4: Simplify right side
    219,262.80x = 35,904,812,042.88
  5. Step 5: Solve for x
    x = 35,904,812,042.88/219,262.80
  6. Step 6: Final answer
    x = 163,752.41

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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.