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Finding the Fourth Proportional to 171,062.70, 256,302.45 and 145,985.10

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Solution

The fourth proportional to 171,062.70, 256,302.45 and 145,985.10 is: 218,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,062.70 : 256,302.45 = 145,985.10 : x
  2. Step 2: Convert to fraction form
    171,062.70/256,302.45 = 145,985.10/x
  3. Step 3: Cross multiply
    171,062.70x = 256,302.45 × 145,985.10
  4. Step 4: Simplify right side
    171,062.70x = 37,416,338,793.50
  5. Step 5: Solve for x
    x = 37,416,338,793.50/171,062.70
  6. Step 6: Final answer
    x = 218,728.80

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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.