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Finding the Fourth Proportional to 217,053.63, 325,055.52 and 187,660.35

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Solution

The fourth proportional to 217,053.63, 325,055.52 and 187,660.35 is: 281,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,053.63 : 325,055.52 = 187,660.35 : x
  2. Step 2: Convert to fraction form
    217,053.63/325,055.52 = 187,660.35/x
  3. Step 3: Cross multiply
    217,053.63x = 325,055.52 × 187,660.35
  4. Step 4: Simplify right side
    217,053.63x = 61,000,032,652.63
  5. Step 5: Solve for x
    x = 61,000,032,652.63/217,053.63
  6. Step 6: Final answer
    x = 281,036.69

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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.