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Finding the Fourth Proportional to 60,134.81, 83,054.57 and 40,981.55

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Solution

The fourth proportional to 60,134.81, 83,054.57 and 40,981.55 is: 56,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,134.81 : 83,054.57 = 40,981.55 : x
  2. Step 2: Convert to fraction form
    60,134.81/83,054.57 = 40,981.55/x
  3. Step 3: Cross multiply
    60,134.81x = 83,054.57 × 40,981.55
  4. Step 4: Simplify right side
    60,134.81x = 3,403,704,393.00
  5. Step 5: Solve for x
    x = 3,403,704,393.00/60,134.81
  6. Step 6: Final answer
    x = 56,601.24

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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.