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Finding the Fourth Proportional to 73,613.51, 101,584.43 and 40,907.81

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Solution

The fourth proportional to 73,613.51, 101,584.43 and 40,907.81 is: 56,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,613.51 : 101,584.43 = 40,907.81 : x
  2. Step 2: Convert to fraction form
    73,613.51/101,584.43 = 40,907.81/x
  3. Step 3: Cross multiply
    73,613.51x = 101,584.43 × 40,907.81
  4. Step 4: Simplify right side
    73,613.51x = 4,155,596,978.50
  5. Step 5: Solve for x
    x = 4,155,596,978.50/73,613.51
  6. Step 6: Final answer
    x = 56,451.55

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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.