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Finding the Fourth Proportional to 145,045.70, 217,570.04 and 43,844.59

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Solution

The fourth proportional to 145,045.70, 217,570.04 and 43,844.59 is: 65,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,045.70 : 217,570.04 = 43,844.59 : x
  2. Step 2: Convert to fraction form
    145,045.70/217,570.04 = 43,844.59/x
  3. Step 3: Cross multiply
    145,045.70x = 217,570.04 × 43,844.59
  4. Step 4: Simplify right side
    145,045.70x = 9,539,268,765.77
  5. Step 5: Solve for x
    x = 9,539,268,765.77/145,045.70
  6. Step 6: Final answer
    x = 65,767.33

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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.