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Finding the Fourth Proportional to 153,937.76, 230,941.26 and 54,104.85

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Solution

The fourth proportional to 153,937.76, 230,941.26 and 54,104.85 is: 81,169.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,937.76 : 230,941.26 = 54,104.85 : x
  2. Step 2: Convert to fraction form
    153,937.76/230,941.26 = 54,104.85/x
  3. Step 3: Cross multiply
    153,937.76x = 230,941.26 × 54,104.85
  4. Step 4: Simplify right side
    153,937.76x = 12,495,042,231.11
  5. Step 5: Solve for x
    x = 12,495,042,231.11/153,937.76
  6. Step 6: Final answer
    x = 81,169.45

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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.