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Finding the Fourth Proportional to 145,884.80, 218,827.17 and 46,115.03

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Solution

The fourth proportional to 145,884.80, 218,827.17 and 46,115.03 is: 69,172.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,884.80 : 218,827.17 = 46,115.03 : x
  2. Step 2: Convert to fraction form
    145,884.80/218,827.17 = 46,115.03/x
  3. Step 3: Cross multiply
    145,884.80x = 218,827.17 × 46,115.03
  4. Step 4: Simplify right side
    145,884.80x = 10,091,221,509.37
  5. Step 5: Solve for x
    x = 10,091,221,509.37/145,884.80
  6. Step 6: Final answer
    x = 69,172.54

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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.