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Finding the Fourth Proportional to 170,009.94, 255,005.68 and 51,672.05

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Solution

The fourth proportional to 170,009.94, 255,005.68 and 51,672.05 is: 77,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,009.94 : 255,005.68 = 51,672.05 : x
  2. Step 2: Convert to fraction form
    170,009.94/255,005.68 = 51,672.05/x
  3. Step 3: Cross multiply
    170,009.94x = 255,005.68 × 51,672.05
  4. Step 4: Simplify right side
    170,009.94x = 13,176,666,884.76
  5. Step 5: Solve for x
    x = 13,176,666,884.76/170,009.94
  6. Step 6: Final answer
    x = 77,505.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.