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Finding the Fourth Proportional to 170,764.30, 256,146.45 and 92,032.30

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Solution

The fourth proportional to 170,764.30, 256,146.45 and 92,032.30 is: 138,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,764.30 : 256,146.45 = 92,032.30 : x
  2. Step 2: Convert to fraction form
    170,764.30/256,146.45 = 92,032.30/x
  3. Step 3: Cross multiply
    170,764.30x = 256,146.45 × 92,032.30
  4. Step 4: Simplify right side
    170,764.30x = 23,573,746,930.34
  5. Step 5: Solve for x
    x = 23,573,746,930.34/170,764.30
  6. Step 6: Final answer
    x = 138,048.45

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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.