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Finding the Fourth Proportional to 76,710.51, 105,860.34 and 44,873.19

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Solution

The fourth proportional to 76,710.51, 105,860.34 and 44,873.19 is: 61,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,710.51 : 105,860.34 = 44,873.19 : x
  2. Step 2: Convert to fraction form
    76,710.51/105,860.34 = 44,873.19/x
  3. Step 3: Cross multiply
    76,710.51x = 105,860.34 × 44,873.19
  4. Step 4: Simplify right side
    76,710.51x = 4,750,291,150.28
  5. Step 5: Solve for x
    x = 4,750,291,150.28/76,710.51
  6. Step 6: Final answer
    x = 61,924.91

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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.