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Finding the Fourth Proportional to 219,048.88, 302,287.78 and 118,446.88

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Solution

The fourth proportional to 219,048.88, 302,287.78 and 118,446.88 is: 163,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,048.88 : 302,287.78 = 118,446.88 : x
  2. Step 2: Convert to fraction form
    219,048.88/302,287.78 = 118,446.88/x
  3. Step 3: Cross multiply
    219,048.88x = 302,287.78 × 118,446.88
  4. Step 4: Simplify right side
    219,048.88x = 35,805,044,403.13
  5. Step 5: Solve for x
    x = 35,805,044,403.13/219,048.88
  6. Step 6: Final answer
    x = 163,456.87

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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.