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Finding the Fourth Proportional to 103,046.80, 154,580.64 and 35,570.04

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Solution

The fourth proportional to 103,046.80, 154,580.64 and 35,570.04 is: 53,358.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,046.80 : 154,580.64 = 35,570.04 : x
  2. Step 2: Convert to fraction form
    103,046.80/154,580.64 = 35,570.04/x
  3. Step 3: Cross multiply
    103,046.80x = 154,580.64 × 35,570.04
  4. Step 4: Simplify right side
    103,046.80x = 5,498,439,548.03
  5. Step 5: Solve for x
    x = 5,498,439,548.03/103,046.80
  6. Step 6: Final answer
    x = 53,358.66

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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.