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Finding the Fourth Proportional to 80,153.70, 110,606.01 and 44,342.95

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Solution

The fourth proportional to 80,153.70, 110,606.01 and 44,342.95 is: 61,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,153.70 : 110,606.01 = 44,342.95 : x
  2. Step 2: Convert to fraction form
    80,153.70/110,606.01 = 44,342.95/x
  3. Step 3: Cross multiply
    80,153.70x = 110,606.01 × 44,342.95
  4. Step 4: Simplify right side
    80,153.70x = 4,904,596,218.10
  5. Step 5: Solve for x
    x = 4,904,596,218.10/80,153.70
  6. Step 6: Final answer
    x = 61,189.89

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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.