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Finding the Fourth Proportional to 60,445.43, 90,672.70 and 16,071.20

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Solution

The fourth proportional to 60,445.43, 90,672.70 and 16,071.20 is: 24,108.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,445.43 : 90,672.70 = 16,071.20 : x
  2. Step 2: Convert to fraction form
    60,445.43/90,672.70 = 16,071.20/x
  3. Step 3: Cross multiply
    60,445.43x = 90,672.70 × 16,071.20
  4. Step 4: Simplify right side
    60,445.43x = 1,457,219,096.24
  5. Step 5: Solve for x
    x = 1,457,219,096.24/60,445.43
  6. Step 6: Final answer
    x = 24,108.01

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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.