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Finding the Fourth Proportional to 170,034.30, 255,051.45 and 51,705.45

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Solution

The fourth proportional to 170,034.30, 255,051.45 and 51,705.45 is: 77,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,034.30 : 255,051.45 = 51,705.45 : x
  2. Step 2: Convert to fraction form
    170,034.30/255,051.45 = 51,705.45/x
  3. Step 3: Cross multiply
    170,034.30x = 255,051.45 × 51,705.45
  4. Step 4: Simplify right side
    170,034.30x = 13,187,549,995.40
  5. Step 5: Solve for x
    x = 13,187,549,995.40/170,034.30
  6. Step 6: Final answer
    x = 77,558.18

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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.