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Finding the Fourth Proportional to 140,476.14, 210,714.42 and 57,370.14

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Solution

The fourth proportional to 140,476.14, 210,714.42 and 57,370.14 is: 86,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,476.14 : 210,714.42 = 57,370.14 : x
  2. Step 2: Convert to fraction form
    140,476.14/210,714.42 = 57,370.14/x
  3. Step 3: Cross multiply
    140,476.14x = 210,714.42 × 57,370.14
  4. Step 4: Simplify right side
    140,476.14x = 12,088,715,775.42
  5. Step 5: Solve for x
    x = 12,088,715,775.42/140,476.14
  6. Step 6: Final answer
    x = 86,055.30

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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.