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Finding the Fourth Proportional to 178,100.23, 245,893.04 and 158,946.97

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Solution

The fourth proportional to 178,100.23, 245,893.04 and 158,946.97 is: 219,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,100.23 : 245,893.04 = 158,946.97 : x
  2. Step 2: Convert to fraction form
    178,100.23/245,893.04 = 158,946.97/x
  3. Step 3: Cross multiply
    178,100.23x = 245,893.04 × 158,946.97
  4. Step 4: Simplify right side
    178,100.23x = 39,083,953,652.09
  5. Step 5: Solve for x
    x = 39,083,953,652.09/178,100.23
  6. Step 6: Final answer
    x = 219,449.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.