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Finding the Fourth Proportional to 171,271.52, 256,931.52 and 52,953.20

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Solution

The fourth proportional to 171,271.52, 256,931.52 and 52,953.20 is: 79,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,271.52 : 256,931.52 = 52,953.20 : x
  2. Step 2: Convert to fraction form
    171,271.52/256,931.52 = 52,953.20/x
  3. Step 3: Cross multiply
    171,271.52x = 256,931.52 × 52,953.20
  4. Step 4: Simplify right side
    171,271.52x = 13,605,346,164.86
  5. Step 5: Solve for x
    x = 13,605,346,164.86/171,271.52
  6. Step 6: Final answer
    x = 79,437.29

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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.