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Finding the Fourth Proportional to 73,543.65, 110,322.04 and 28,563.93

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Solution

The fourth proportional to 73,543.65, 110,322.04 and 28,563.93 is: 42,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,543.65 : 110,322.04 = 28,563.93 : x
  2. Step 2: Convert to fraction form
    73,543.65/110,322.04 = 28,563.93/x
  3. Step 3: Cross multiply
    73,543.65x = 110,322.04 × 28,563.93
  4. Step 4: Simplify right side
    73,543.65x = 3,151,231,028.02
  5. Step 5: Solve for x
    x = 3,151,231,028.02/73,543.65
  6. Step 6: Final answer
    x = 42,848.44

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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.