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Finding the Fourth Proportional to 93,632.68, 129,213.22 and 53,344.68

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Solution

The fourth proportional to 93,632.68, 129,213.22 and 53,344.68 is: 73,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,632.68 : 129,213.22 = 53,344.68 : x
  2. Step 2: Convert to fraction form
    93,632.68/129,213.22 = 53,344.68/x
  3. Step 3: Cross multiply
    93,632.68x = 129,213.22 × 53,344.68
  4. Step 4: Simplify right side
    93,632.68x = 6,892,837,872.67
  5. Step 5: Solve for x
    x = 6,892,837,872.67/93,632.68
  6. Step 6: Final answer
    x = 73,615.73

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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.