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Finding the Fourth Proportional to 76,624.63, 105,740.35 and 44,360.61

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Solution

The fourth proportional to 76,624.63, 105,740.35 and 44,360.61 is: 61,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,624.63 : 105,740.35 = 44,360.61 : x
  2. Step 2: Convert to fraction form
    76,624.63/105,740.35 = 44,360.61/x
  3. Step 3: Cross multiply
    76,624.63x = 105,740.35 × 44,360.61
  4. Step 4: Simplify right side
    76,624.63x = 4,690,706,764.50
  5. Step 5: Solve for x
    x = 4,690,706,764.50/76,624.63
  6. Step 6: Final answer
    x = 61,216.69

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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.