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Finding the Fourth Proportional to 153,883.74, 230,928.70 and 54,044.30

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Solution

The fourth proportional to 153,883.74, 230,928.70 and 54,044.30 is: 81,102.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,883.74 : 230,928.70 = 54,044.30 : x
  2. Step 2: Convert to fraction form
    153,883.74/230,928.70 = 54,044.30/x
  3. Step 3: Cross multiply
    153,883.74x = 230,928.70 × 54,044.30
  4. Step 4: Simplify right side
    153,883.74x = 12,480,379,941.41
  5. Step 5: Solve for x
    x = 12,480,379,941.41/153,883.74
  6. Step 6: Final answer
    x = 81,102.66

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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.