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Finding the Fourth Proportional to 153,954.60, 230,874.30 and 54,076.20

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Solution

The fourth proportional to 153,954.60, 230,874.30 and 54,076.20 is: 81,094.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,954.60 : 230,874.30 = 54,076.20 : x
  2. Step 2: Convert to fraction form
    153,954.60/230,874.30 = 54,076.20/x
  3. Step 3: Cross multiply
    153,954.60x = 230,874.30 × 54,076.20
  4. Step 4: Simplify right side
    153,954.60x = 12,484,804,821.66
  5. Step 5: Solve for x
    x = 12,484,804,821.66/153,954.60
  6. Step 6: Final answer
    x = 81,094.07

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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.