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Finding the Fourth Proportional to 60,259.86, 83,054.76 and 40,080.66

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Solution

The fourth proportional to 60,259.86, 83,054.76 and 40,080.66 is: 55,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,259.86 : 83,054.76 = 40,080.66 : x
  2. Step 2: Convert to fraction form
    60,259.86/83,054.76 = 40,080.66/x
  3. Step 3: Cross multiply
    60,259.86x = 83,054.76 × 40,080.66
  4. Step 4: Simplify right side
    60,259.86x = 3,328,889,596.94
  5. Step 5: Solve for x
    x = 3,328,889,596.94/60,259.86
  6. Step 6: Final answer
    x = 55,242.24

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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.