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Finding the Fourth Proportional to 80,068.79, 110,490.12 and 44,256.66

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Solution

The fourth proportional to 80,068.79, 110,490.12 and 44,256.66 is: 61,071.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,068.79 : 110,490.12 = 44,256.66 : x
  2. Step 2: Convert to fraction form
    80,068.79/110,490.12 = 44,256.66/x
  3. Step 3: Cross multiply
    80,068.79x = 110,490.12 × 44,256.66
  4. Step 4: Simplify right side
    80,068.79x = 4,889,923,674.20
  5. Step 5: Solve for x
    x = 4,889,923,674.20/80,068.79
  6. Step 6: Final answer
    x = 61,071.54

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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.