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Finding the Fourth Proportional to 144,781.60, 217,042.80 and 94,885.60

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Solution

The fourth proportional to 144,781.60, 217,042.80 and 94,885.60 is: 142,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,781.60 : 217,042.80 = 94,885.60 : x
  2. Step 2: Convert to fraction form
    144,781.60/217,042.80 = 94,885.60/x
  3. Step 3: Cross multiply
    144,781.60x = 217,042.80 × 94,885.60
  4. Step 4: Simplify right side
    144,781.60x = 20,594,236,303.68
  5. Step 5: Solve for x
    x = 20,594,236,303.68/144,781.60
  6. Step 6: Final answer
    x = 142,243.46

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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.