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Finding the Fourth Proportional to 201,135.60, 301,743.90 and 58,980.60

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Solution

The fourth proportional to 201,135.60, 301,743.90 and 58,980.60 is: 88,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,135.60 : 301,743.90 = 58,980.60 : x
  2. Step 2: Convert to fraction form
    201,135.60/301,743.90 = 58,980.60/x
  3. Step 3: Cross multiply
    201,135.60x = 301,743.90 × 58,980.60
  4. Step 4: Simplify right side
    201,135.60x = 17,797,036,268.34
  5. Step 5: Solve for x
    x = 17,797,036,268.34/201,135.60
  6. Step 6: Final answer
    x = 88,482.78

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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.