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Finding the Fourth Proportional to 76,707.59, 105,831.11 and 44,853.94

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Solution

The fourth proportional to 76,707.59, 105,831.11 and 44,853.94 is: 61,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,707.59 : 105,831.11 = 44,853.94 : x
  2. Step 2: Convert to fraction form
    76,707.59/105,831.11 = 44,853.94/x
  3. Step 3: Cross multiply
    76,707.59x = 105,831.11 × 44,853.94
  4. Step 4: Simplify right side
    76,707.59x = 4,746,941,504.65
  5. Step 5: Solve for x
    x = 4,746,941,504.65/76,707.59
  6. Step 6: Final answer
    x = 61,883.60

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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.