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Finding the Fourth Proportional to 73,213.52, 101,007.24 and 42,999.80

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Solution

The fourth proportional to 73,213.52, 101,007.24 and 42,999.80 is: 59,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,213.52 : 101,007.24 = 42,999.80 : x
  2. Step 2: Convert to fraction form
    73,213.52/101,007.24 = 42,999.80/x
  3. Step 3: Cross multiply
    73,213.52x = 101,007.24 × 42,999.80
  4. Step 4: Simplify right side
    73,213.52x = 4,343,291,118.55
  5. Step 5: Solve for x
    x = 4,343,291,118.55/73,213.52
  6. Step 6: Final answer
    x = 59,323.62

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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.