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Finding the Fourth Proportional to 170,406.77, 255,600.86 and 52,068.80

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Solution

The fourth proportional to 170,406.77, 255,600.86 and 52,068.80 is: 78,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,406.77 : 255,600.86 = 52,068.80 : x
  2. Step 2: Convert to fraction form
    170,406.77/255,600.86 = 52,068.80/x
  3. Step 3: Cross multiply
    170,406.77x = 255,600.86 × 52,068.80
  4. Step 4: Simplify right side
    170,406.77x = 13,308,830,437.83
  5. Step 5: Solve for x
    x = 13,308,830,437.83/170,406.77
  6. Step 6: Final answer
    x = 78,100.36

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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.