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Finding the Fourth Proportional to 103,602.73, 155,404.13 and 46,610.05

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Solution

The fourth proportional to 103,602.73, 155,404.13 and 46,610.05 is: 69,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,602.73 : 155,404.13 = 46,610.05 : x
  2. Step 2: Convert to fraction form
    103,602.73/155,404.13 = 46,610.05/x
  3. Step 3: Cross multiply
    103,602.73x = 155,404.13 × 46,610.05
  4. Step 4: Simplify right side
    103,602.73x = 7,243,394,269.51
  5. Step 5: Solve for x
    x = 7,243,394,269.51/103,602.73
  6. Step 6: Final answer
    x = 69,915.09

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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.