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Finding the Fourth Proportional to 159,341.22, 238,836.86 and 54,080.91

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Solution

The fourth proportional to 159,341.22, 238,836.86 and 54,080.91 is: 81,061.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,341.22 : 238,836.86 = 54,080.91 : x
  2. Step 2: Convert to fraction form
    159,341.22/238,836.86 = 54,080.91/x
  3. Step 3: Cross multiply
    159,341.22x = 238,836.86 × 54,080.91
  4. Step 4: Simplify right side
    159,341.22x = 12,916,514,730.34
  5. Step 5: Solve for x
    x = 12,916,514,730.34/159,341.22
  6. Step 6: Final answer
    x = 81,061.98

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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.