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Finding the Fourth Proportional to 170,225.20, 255,337.80 and 45,566.20

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Solution

The fourth proportional to 170,225.20, 255,337.80 and 45,566.20 is: 68,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,225.20 : 255,337.80 = 45,566.20 : x
  2. Step 2: Convert to fraction form
    170,225.20/255,337.80 = 45,566.20/x
  3. Step 3: Cross multiply
    170,225.20x = 255,337.80 × 45,566.20
  4. Step 4: Simplify right side
    170,225.20x = 11,634,773,262.36
  5. Step 5: Solve for x
    x = 11,634,773,262.36/170,225.20
  6. Step 6: Final answer
    x = 68,349.30

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