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Finding the Fourth Proportional to 171,495.36, 257,303.52 and 53,196.48

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Solution

The fourth proportional to 171,495.36, 257,303.52 and 53,196.48 is: 79,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,495.36 : 257,303.52 = 53,196.48 : x
  2. Step 2: Convert to fraction form
    171,495.36/257,303.52 = 53,196.48/x
  3. Step 3: Cross multiply
    171,495.36x = 257,303.52 × 53,196.48
  4. Step 4: Simplify right side
    171,495.36x = 13,687,641,555.61
  5. Step 5: Solve for x
    x = 13,687,641,555.61/171,495.36
  6. Step 6: Final answer
    x = 79,813.48

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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.