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Finding the Fourth Proportional to 171,279.66, 256,952.43 and 52,946.76

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Solution

The fourth proportional to 171,279.66, 256,952.43 and 52,946.76 is: 79,430.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,279.66 : 256,952.43 = 52,946.76 : x
  2. Step 2: Convert to fraction form
    171,279.66/256,952.43 = 52,946.76/x
  3. Step 3: Cross multiply
    171,279.66x = 256,952.43 × 52,946.76
  4. Step 4: Simplify right side
    171,279.66x = 13,604,798,642.63
  5. Step 5: Solve for x
    x = 13,604,798,642.63/171,279.66
  6. Step 6: Final answer
    x = 79,430.32

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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.