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Finding the Fourth Proportional to 123,815.73, 185,720.04 and 35,069.07

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Solution

The fourth proportional to 123,815.73, 185,720.04 and 35,069.07 is: 52,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,815.73 : 185,720.04 = 35,069.07 : x
  2. Step 2: Convert to fraction form
    123,815.73/185,720.04 = 35,069.07/x
  3. Step 3: Cross multiply
    123,815.73x = 185,720.04 × 35,069.07
  4. Step 4: Simplify right side
    123,815.73x = 6,513,029,083.16
  5. Step 5: Solve for x
    x = 6,513,029,083.16/123,815.73
  6. Step 6: Final answer
    x = 52,602.60

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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.