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Finding the Fourth Proportional to 103,690.01, 155,534.00 and 47,514.18

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Solution

The fourth proportional to 103,690.01, 155,534.00 and 47,514.18 is: 71,270.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,690.01 : 155,534.00 = 47,514.18 : x
  2. Step 2: Convert to fraction form
    103,690.01/155,534.00 = 47,514.18/x
  3. Step 3: Cross multiply
    103,690.01x = 155,534.00 × 47,514.18
  4. Step 4: Simplify right side
    103,690.01x = 7,390,070,234.55
  5. Step 5: Solve for x
    x = 7,390,070,234.55/103,690.01
  6. Step 6: Final answer
    x = 71,270.81

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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.