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Finding the Fourth Proportional to 140,476.44, 210,714.86 and 57,370.44

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Solution

The fourth proportional to 140,476.44, 210,714.86 and 57,370.44 is: 86,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,476.44 : 210,714.86 = 57,370.44 : x
  2. Step 2: Convert to fraction form
    140,476.44/210,714.86 = 57,370.44/x
  3. Step 3: Cross multiply
    140,476.44x = 210,714.86 × 57,370.44
  4. Step 4: Simplify right side
    140,476.44x = 12,088,804,232.74
  5. Step 5: Solve for x
    x = 12,088,804,232.74/140,476.44
  6. Step 6: Final answer
    x = 86,055.74

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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.