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Finding the Fourth Proportional to 170,717.78, 256,011.06 and 117,967.34

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Solution

The fourth proportional to 170,717.78, 256,011.06 and 117,967.34 is: 176,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,717.78 : 256,011.06 = 117,967.34 : x
  2. Step 2: Convert to fraction form
    170,717.78/256,011.06 = 117,967.34/x
  3. Step 3: Cross multiply
    170,717.78x = 256,011.06 × 117,967.34
  4. Step 4: Simplify right side
    170,717.78x = 30,200,944,841.19
  5. Step 5: Solve for x
    x = 30,200,944,841.19/170,717.78
  6. Step 6: Final answer
    x = 176,905.68

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1.5x scale

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.