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Finding the Fourth Proportional to 171,079.48, 256,602.72 and 52,719.04

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Solution

The fourth proportional to 171,079.48, 256,602.72 and 52,719.04 is: 79,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,079.48 : 256,602.72 = 52,719.04 : x
  2. Step 2: Convert to fraction form
    171,079.48/256,602.72 = 52,719.04/x
  3. Step 3: Cross multiply
    171,079.48x = 256,602.72 × 52,719.04
  4. Step 4: Simplify right side
    171,079.48x = 13,527,849,059.79
  5. Step 5: Solve for x
    x = 13,527,849,059.79/171,079.48
  6. Step 6: Final answer
    x = 79,073.48

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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.