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Finding the Fourth Proportional to 185,242.60, 255,615.78 and 104,663.80

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Solution

The fourth proportional to 185,242.60, 255,615.78 and 104,663.80 is: 144,425.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,242.60 : 255,615.78 = 104,663.80 : x
  2. Step 2: Convert to fraction form
    185,242.60/255,615.78 = 104,663.80/x
  3. Step 3: Cross multiply
    185,242.60x = 255,615.78 × 104,663.80
  4. Step 4: Simplify right side
    185,242.60x = 26,753,718,874.76
  5. Step 5: Solve for x
    x = 26,753,718,874.76/185,242.60
  6. Step 6: Final answer
    x = 144,425.30

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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.